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MULTI-WAVELENGTH OB...
MULTI-WAVELENGTH OBSERVATIONS OF BLAZAR AO 0235+164 IN THE 2008-2009 FLARING STATE
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Ackermann, M. (author)
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Ajello, M. (author)
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Ballet, J. (author)
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show more...
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Barbiellini, G. (author)
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Bastieri, D. (author)
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Bellazzini, R. (author)
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Blandford, R. D. (author)
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Bloom, E. D. (author)
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Bonamente, E. (author)
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Borgland, A. W. (author)
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Bottacini, E. (author)
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Bregeon, J. (author)
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Brigida, M. (author)
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Bruel, P. (author)
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Buehler, R. (author)
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Buson, S. (author)
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Caliandro, G. A. (author)
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Cameron, R. A. (author)
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Caraveo, P. A. (author)
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Casandjian, J. M. (author)
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Cavazzuti, E. (author)
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Cecchi, C. (author)
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Charles, E. (author)
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Chekhtman, A. (author)
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Chiang, J. (author)
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Ciprini, S. (author)
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Claus, R. (author)
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Cohen-Tanugi, J. (author)
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Cutini, S. (author)
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D'Ammando, F. (author)
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de Palma, F. (author)
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Dermer, C. D. (author)
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do Couto e Silva, E. (author)
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Drell, P. S. (author)
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Drlica-Wagner, A. (author)
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Dubois, R. (author)
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Favuzzi, C. (author)
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Fegan, S. J. (author)
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Ferrara, E. C. (author)
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Focke, W. B. (author)
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Fortin, P. (author)
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Fuhrmann, L. (author)
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Fukazawa, Y. (author)
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Fusco, P. (author)
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Gargano, F. (author)
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Gasparrini, D. (author)
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Gehrels, N. (author)
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Germani, S. (author)
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Giglietto, N. (author)
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Giommi, P. (author)
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Giordano, F. (author)
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Giroletti, M. (author)
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Glanzman, T. (author)
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Godfrey, G. (author)
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Grenier, I. A. (author)
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Guiriec, S. (author)
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Hadasch, D. (author)
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Hayashida, M. (author)
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Hughes, R. E. (author)
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Itoh, R. (author)
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Johannesson, G. (author)
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Johnson, A. S. (author)
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Katagiri, H. (author)
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Kataoka, J. (author)
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Knoedlseder, J. (author)
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Kuss, M. (author)
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Lande, J. (author)
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- Larsson, Stefan (author)
- Stockholms universitet,Fysikum,Institutionen för astronomi,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Lee, S. -H. (author)
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Longo, F. (author)
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Loparco, F. (author)
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Lott, B. (author)
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Lovellette, M. N. (author)
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Lubrano, P. (author)
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Madejski, G. M. (author)
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Mazziotta, M. N. (author)
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McEnery, J. E. (author)
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Mehault, J. (author)
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Michelson, P. F. (author)
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Mitthumsiri, W. (author)
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Mizuno, T. (author)
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Monte, C. (author)
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Monzani, M. E. (author)
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Morselli, A. (author)
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Moskalenko, I. V. (author)
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Murgia, S. (author)
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Naumann-Godo, M. (author)
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Nishino, S. (author)
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Norris, J. P. (author)
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Nuss, E. (author)
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Ohsugi, T. (author)
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Okumura, A. (author)
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Omodei, N. (author)
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Orlando, E. (author)
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Ozaki, M. (author)
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Paneque, D. (author)
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Panetta, J. H. (author)
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Pelassa, V. (author)
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Pesce-Rollins, M. (author)
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Pierbattista, M. (author)
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Piron, F. (author)
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Pivato, G. (author)
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Porter, T. A. (author)
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Raino, S. (author)
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Rando, R. (author)
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Rastawicki, D. (author)
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Razzano, M. (author)
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Readhead, A. (author)
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Reimer, A. (author)
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Reimer, O. (author)
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Reyes, L. C. (author)
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Richards, J. L. (author)
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Sbarra, C. (author)
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Sgro, C. (author)
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Siskind, E. J. (author)
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Spandre, G. (author)
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Spinelli, P. (author)
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Szostek, A. (author)
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Takahashi, H. (author)
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Tanaka, T. (author)
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Thayer, J. G. (author)
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Thayer, J. B. (author)
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Thompson, D. J. (author)
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Tinivella, M. (author)
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Torres, D. F. (author)
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Tosti, G. (author)
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Troja, E. (author)
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Usher, T. L. (author)
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Vandenbroucke, J. (author)
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Vasileiou, V. (author)
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Vianello, G. (author)
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Vitale, V. (author)
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Waite, A. P. (author)
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Winer, B. L. (author)
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Wood, K. S. (author)
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- Yang, Zhaoyu (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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- Zimmer, Stephan (author)
- Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
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Moderski, R. (author)
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Nalewajko, K. (author)
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Sikora, M. (author)
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Villata, M. (author)
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Raiteri, C. M. (author)
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Aller, H. D. (author)
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Aller, M. F. (author)
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Arkharov, A. A. (author)
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Benitez, E. (author)
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Berdyugin, A. (author)
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Blinov, D. A. (author)
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Boettcher, M. (author)
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Calle, O. J. A. Bravo (author)
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Buemi, C. S. (author)
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Carosati, D. (author)
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Chen, W. P. (author)
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Diltz, C. (author)
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Di Paola, A. (author)
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Dolci, M. (author)
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Efimova, N. V. (author)
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Forne, E. (author)
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Gurwell, M. A. (author)
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Heidt, J. (author)
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Hiriart, D. (author)
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Jordan, B. (author)
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Kimeridze, G. (author)
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Konstantinova, T. S. (author)
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Kopatskaya, E. N. (author)
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Koptelova, E. (author)
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Kurtanidze, O. M. (author)
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Lahteenmaki, A. (author)
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Larionova, E. G. (author)
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Larionova, L. V. (author)
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Larionov, V. M. (author)
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Leto, P. (author)
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Lindfors, E. (author)
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Lin, H. C. (author)
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Morozova, D. A. (author)
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Nikolashvili, M. G. (author)
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Nilsson, K. (author)
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Oksman, M. (author)
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Roustazadeh, P. (author)
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Sievers, A. (author)
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Sigua, L. A. (author)
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Sillanpaa, A. (author)
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Takahashi, T. (author)
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Takalo, L. O. (author)
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Tornikoski, M. (author)
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Trigilio, C. (author)
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Troitsky, I. S. (author)
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Umana, G. (author)
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Angelakis, E. (author)
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Krichbaum, T. P. (author)
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Nestoras, I. (author)
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Riquelme, D. (author)
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Krips, M. (author)
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Trippe, S. (author)
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Arai, A. (author)
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Kawabata, K. S. (author)
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Sakimoto, K. (author)
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Sasada, M. (author)
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Sato, S. (author)
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Uemura, M. (author)
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Yamanaka, M. (author)
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Yoshida, M. (author)
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Belloni, T. (author)
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Tagliaferri, G. (author)
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Bonning, E. W. (author)
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Isler, J. (author)
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Urry, C. M. (author)
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Hoversten, E. (author)
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Falcone, A. (author)
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Pagani, C. (author)
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Stroh, M. (author)
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(creator_code:org_t)
- 2012
- 2012
- English.
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In: Astrophysical Journal. - 0004-637X .- 1538-4357. ; 751:2
- Related links:
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https://arxiv.org/ab...
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show more...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
Close
- The blazarAO 0235+164 (z=0.94) has been one of the most active objects observed by Fermi Large Area Telescope (LAT) since its launch in Summer 2008. In addition to the continuous coverage by Fermi, contemporaneous observations were carried out from the radio to gamma-ray bands between 2008 September and 2009 February. In this paper, we summarize the rich multi-wavelength data collected during the campaign (including F-GAMMA, GASP-WEBT, Kanata, OVRO, RXTE, SMARTS, Swift, and other instruments), examine the cross-correlation between the light curves measured in the different energy bands, and interpret the resulting spectral energy distributions in the context of well-known blazar emission models. We find that the gamma-ray activity is well correlated with a series of near-IR/optical flares, accompanied by an increase in the optical polarization degree. On the other hand, the X-ray light curve shows a distinct 20 day high state of unusually soft spectrum, which does not match the extrapolation of the optical/UV synchrotron spectrum. We tentatively interpret this feature as the bulk Compton emission by cold electrons contained in the jet, which requires an accretion disk corona with an effective covering factor of 19% at a distance of 100 R-g. We model the broadband spectra with a leptonic model with external radiation dominated by the infrared emission from the dusty torus.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Keyword
- BL Lacertae objects: individual (AO 0235+164)
- galaxies: active
- galaxies: jets
- gamma rays: galaxies
- radiation mechanisms: non-thermal
Publication and Content Type
- ref (subject category)
- art (subject category)
Find in a library
To the university's database
- By the author/editor
-
Ackermann, M.
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Ajello, M.
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Ballet, J.
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Barbiellini, G.
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Bastieri, D.
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Bellazzini, R.
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show more...
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Blandford, R. D.
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Bloom, E. D.
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Bonamente, E.
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Borgland, A. W.
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Bottacini, E.
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Bregeon, J.
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Brigida, M.
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Bruel, P.
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Buehler, R.
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Buson, S.
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Caliandro, G. A.
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Cameron, R. A.
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Caraveo, P. A.
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Casandjian, J. M ...
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Cavazzuti, E.
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Cecchi, C.
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Charles, E.
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Chekhtman, A.
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Chiang, J.
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Ciprini, S.
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Claus, R.
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Cohen-Tanugi, J.
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Cutini, S.
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D'Ammando, F.
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de Palma, F.
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Dermer, C. D.
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do Couto e Silva ...
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Drell, P. S.
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Drlica-Wagner, A ...
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Dubois, R.
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Favuzzi, C.
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Fegan, S. J.
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Ferrara, E. C.
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Focke, W. B.
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Fortin, P.
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Fuhrmann, L.
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Fukazawa, Y.
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Fusco, P.
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Gargano, F.
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Gasparrini, D.
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Gehrels, N.
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Germani, S.
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Giglietto, N.
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Giommi, P.
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Giordano, F.
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Giroletti, M.
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Glanzman, T.
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Godfrey, G.
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Grenier, I. A.
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Guiriec, S.
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Hadasch, D.
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Hayashida, M.
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Hughes, R. E.
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Itoh, R.
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Johannesson, G.
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Johnson, A. S.
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Katagiri, H.
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Kataoka, J.
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Knoedlseder, J.
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Kuss, M.
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Lande, J.
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Larsson, Stefan
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Lee, S. -H.
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Longo, F.
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Loparco, F.
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Lott, B.
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Lovellette, M. N ...
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Lubrano, P.
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Madejski, G. M.
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Mazziotta, M. N.
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McEnery, J. E.
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Mehault, J.
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Michelson, P. F.
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Mitthumsiri, W.
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Mizuno, T.
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Monte, C.
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Monzani, M. E.
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Morselli, A.
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Moskalenko, I. V ...
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Murgia, S.
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Naumann-Godo, M.
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Nishino, S.
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Norris, J. P.
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Nuss, E.
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Ohsugi, T.
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Okumura, A.
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Omodei, N.
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Orlando, E.
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Ozaki, M.
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Paneque, D.
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Panetta, J. H.
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Pelassa, V.
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Pesce-Rollins, M ...
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Pierbattista, M.
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Piron, F.
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Pivato, G.
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Porter, T. A.
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Raino, S.
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Rando, R.
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Rastawicki, D.
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Razzano, M.
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Readhead, A.
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Reimer, A.
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Reimer, O.
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Reyes, L. C.
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Richards, J. L.
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Sbarra, C.
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Sgro, C.
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Siskind, E. J.
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Spandre, G.
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Spinelli, P.
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Szostek, A.
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Takahashi, H.
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Tanaka, T.
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Thayer, J. G.
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Thayer, J. B.
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Thompson, D. J.
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Tinivella, M.
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Torres, D. F.
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Tosti, G.
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Troja, E.
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Usher, T. L.
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Vandenbroucke, J ...
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Vasileiou, V.
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Vianello, G.
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Vitale, V.
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Waite, A. P.
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Winer, B. L.
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Wood, K. S.
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Yang, Zhaoyu
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Zimmer, Stephan
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Moderski, R.
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Nalewajko, K.
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Sikora, M.
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Villata, M.
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Raiteri, C. M.
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Aller, H. D.
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Aller, M. F.
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Arkharov, A. A.
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Benitez, E.
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Berdyugin, A.
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Blinov, D. A.
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Boettcher, M.
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Calle, O. J. A. ...
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Buemi, C. S.
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Carosati, D.
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Chen, W. P.
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Diltz, C.
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Di Paola, A.
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Dolci, M.
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Efimova, N. V.
-
Forne, E.
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Gurwell, M. A.
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Heidt, J.
-
Hiriart, D.
-
Jordan, B.
-
Kimeridze, G.
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Konstantinova, T ...
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Kopatskaya, E. N ...
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Koptelova, E.
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Kurtanidze, O. M ...
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Lahteenmaki, A.
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Larionova, E. G.
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Larionova, L. V.
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Larionov, V. M.
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Leto, P.
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Lindfors, E.
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Lin, H. C.
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Morozova, D. A.
-
Nikolashvili, M. ...
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Nilsson, K.
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Oksman, M.
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Roustazadeh, P.
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Sievers, A.
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Sigua, L. A.
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Sillanpaa, A.
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Takahashi, T.
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Takalo, L. O.
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Tornikoski, M.
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Trigilio, C.
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Troitsky, I. S.
-
Umana, G.
-
Angelakis, E.
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Krichbaum, T. P.
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Nestoras, I.
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Riquelme, D.
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Krips, M.
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Trippe, S.
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Arai, A.
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Kawabata, K. S.
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Sakimoto, K.
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Sasada, M.
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Sato, S.
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Uemura, M.
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Yamanaka, M.
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Yoshida, M.
-
Belloni, T.
-
Tagliaferri, G.
-
Bonning, E. W.
-
Isler, J.
-
Urry, C. M.
-
Hoversten, E.
-
Falcone, A.
-
Pagani, C.
-
Stroh, M.
-
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- NATURAL SCIENCES
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NATURAL SCIENCES
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Stockholm University