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The Agilkia boulder...
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Pajola, M.NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.;Univ Padua, Ctr Studies & Act Space, CISAS, G Colombo, Via Venezia 15, I-35131 Padua, Italy.
(author)
The Agilkia boulders/pebbles size-frequency distributions : OSIRIS and ROLIS joint observations of 67P surface
- Article/chapterEnglish2016
Publisher, publication year, extent ...
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2016-10-23
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Oxford University Press (OUP),2016
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electronicrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:uu-328431
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-328431URI
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https://doi.org/10.1093/mnras/stw2720DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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By using the images acquired by the OSIRIS (Optical, Spectroscopic and Infrared Remote Imaging System) and ROLIS (ROsetta Lander Imaging System) cameras, we derive the size-frequency distribution (SFD) of cometary pebbles and boulders covering the size range 0.05-30.0 m on the Agilkia landing site. The global SFD measured on OSIRIS images, reflects the different properties of the multiple morphological units present on Agilkia, combined with selection effects related to lifting, transport and redeposition. Contrarily, the different ROLIS SFD derived on the smooth and rough units may be related to their different regolith thickness present on Agilkia. In the thicker, smoother layer, ROLIS mainly measures the SFD of the airfall population which almost completely obliterates the signature of underlying boulders up to a size of the order of 1 m. This is well matched by the power-law index derived analysing coma particles identified by the grain analyser Grain Impact Analyser and Dust Accumulator. This result confirms the important blanketing dynamism of Agilkia. The steeper SFD observed in rough terrains from 0.4 to 2 m could point out intrinsic differences between northern and southern dust size distributions, or it may suggest that the underlying boulders 'peek through' the thinner airfall layer in the rough terrain, thereby producing the observed excess in the decimetre size range. Eventually, the OSIRIS SFD performed on the Philae landing unit may be due to water sublimation from a static population of boulders, affecting smaller boulders before the bigger ones, thus shallowing the original SFD.
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Mottola, S.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Hamm, M.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Fulle, M.INAF, Osservatorio Astron Trieste, Via Tiepolo 11, I-34143 Trieste, Italy.
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Davidsson, B.NASA, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA.
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Guettler, C.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Sierks, H.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Naletto, G.Univ Padua, Ctr Studies & Act Space, CISAS, G Colombo, Via Venezia 15, I-35131 Padua, Italy.;Univ Padua, Dept Informat Engn, Via Gradenigo 6-B, I-35131 Padua, Italy.;CNR, IFN UOS Padova LUXOR, Via Trasea 7, I-35131 Padua, Italy.
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Arnold, G.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Grothues, H. -G
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Jaumann, R.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.;Free Univ Berlin, Inst Geol Sci, D-12249 Berlin, Germany.
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Michaelis, H.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Bibring, J. P.Inst Space Astrophys, F-91405 Orsay, France.
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Barbieri, C.Univ Padua, Ctr Studies & Act Space, CISAS, G Colombo, Via Venezia 15, I-35131 Padua, Italy.;Univ Padua, Dept Phys & Astron G Galilei, Vic Osservatorio 3, I-35122 Padua, Italy.
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Lamy, P. L.Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France.
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Rodrigo, R.CSIC, INTA, Ctr Astrobiol, E-28850 Madrid, Spain.;Int Space Sci Inst, Hallerstr 6, CH-3012 Bern, Switzerland.
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Koschny, D.ESA, European Space Res & Technol Ctr, Sci Support Off, Keplerlaan 1,Postbus 299, NL-2201 AZ Noordwijk, Netherlands.
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Rickman, HansUppsala universitet,Teoretisk astrofysik,DepPAS Space Reserch Ctr, Poland(Swepub:uu)hansrick
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Keller, H. U.TU Braunschweig, Inst Geophys & Extraterr Phys, D-38106 Braunschweig, Germany.
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Agarwal, J.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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A'Hearn, M. F.Univ Maryland, Dept Astron, College Pk, MD 20742 USA. Univ Paris Diderot, Univ Paris 06, UPMC, LESIA,Observ Paris,CNRS, 5 Pl J Janssen, F-92195 Meudon, France.
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Barucci, M. A.Univ Paris Diderot, Sorbonne Paris Cite, 4 Rue Elsa Morante, F-75205 Paris 13, France.
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Bertaux, J. L.CNRS, UVSQ, IPSL, LATMOS, 11 Blvd Alembert, F-78280 Guyancourt, France.
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Bertini, I.Univ Padua, Ctr Studies & Act Space, CISAS, G Colombo, Via Venezia 15, I-35131 Padua, Italy.
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Boudreault, S.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Cremonese, G.INAF, Osservatorio Astron Padova, Vic Osservatorio 5, I-35122 Padua, Italy.
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Da Deppo, V.CNR, IFN UOS Padova LUXOR, Via Trasea 7, I-35131 Padua, Italy.
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Debei, S.Univ Padua, Dept Mech Engn, ViaVenezia 1, I-35131 Padua, Italy.
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De Cecco, M.Univ Trento, UNITN, Via Mesiano,77, I-38100 Trento, Italy.
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Deller, J.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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El Maarry, M. R.Univ Bern, Phys Inst, Sidlerstr 5, CH-3012 Bern, Switzerland.
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Feller, C.
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Fornasier, S.Univ Paris Diderot, Sorbonne Paris Cite, 4 Rue Elsa Morante, F-75205 Paris 13, France.
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Gicquel, A.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Groussin, O.Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France.
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Gutierrez, P. J.CSIC, Inst Astrofis Andalucia, Glorieta Astron, E-18008 Granada, Spain.
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Hofmann, M.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Hviid, S. F.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Ip, W. H.Natl Cent Univ, Inst Space Sci, Chungli 32054, Taiwan.
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Jorda, L.Aix Marseille Univ, CNRS, LAM, UMR 7326, F-13388 Marseille, France.
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Knollenberg, J.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Kramm, J. R.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Kuehrt, E.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Kuppers, M.ESA, European Space Astron Ctr, Operat Dept, POB 78, E-28691 Madrid, Spain.
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La Forgia, F.Univ Padua, Dept Phys & Astron G Galilei, Vic Osservatorio 3, I-35122 Padua, Italy.
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Lara, L. M.CSIC, Inst Astrofis Andalucia, Glorieta Astron, E-18008 Granada, Spain.
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Lin, Z. Y.Natl Cent Univ, Inst Space Sci, Chungli 32054, Taiwan.
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Lazzarin, M.Univ Padua, Dept Phys & Astron G Galilei, Vic Osservatorio 3, I-35122 Padua, Italy.
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Moreno, J. J. LopezCSIC, Inst Astrofis Andalucia, Glorieta Astron, E-18008 Granada, Spain.
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Lucchetti, A.INAF, Osservatorio Astron Padova, Vic Osservatorio 5, I-35122 Padua, Italy.
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Marzari, F.Univ Padua, Dept Phys & Astron G Galilei, Vic Osservatorio 3, I-35122 Padua, Italy.
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Massironi, M.Univ Padua, Geosci Dept, Via G Gradenigo 6, I-35131 Padua, Italy.
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Michalik, H.TU Braunschweig, Inst Datentech & Kommunikat Netze, Hans Sommer Str 66, D-38106 Braunschweig, Germany.
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Oklay, N.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Pommerol, A.Univ Bern, Phys Inst, Sidlerstr 5, CH-3012 Bern, Switzerland.
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Preusker, F.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Scholten, F.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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Thomas, N.Univ Bern, Phys Inst, Sidlerstr 5, CH-3012 Bern, Switzerland.
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Tubiana, C.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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Vincent, J. B.Max Planck Inst Sonnensyst Forsch, Justus von Liebig Weg 3, D-37077 Gottingen, Germany.
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NASA, Ames Res Ctr, Moffett Field, CA 94035 USA.;Univ Padua, Ctr Studies & Act Space, CISAS, G Colombo, Via Venezia 15, I-35131 Padua, Italy.Deutsch Zentrum Luft & Raumfahrt DLR, Inst Planetenforsch, Rutherfordstr 2, D-12489 Berlin, Germany.
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In:Monthly notices of the Royal Astronomical Society: Oxford University Press (OUP)462, s. S242-S2520035-87111365-2966
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- By the author/editor
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Pajola, M.
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Mottola, S.
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Hamm, M.
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Fulle, M.
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Davidsson, B.
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Guettler, C.
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show more...
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Sierks, H.
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Naletto, G.
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Arnold, G.
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Grothues, H. -G
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Jaumann, R.
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Michaelis, H.
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Bibring, J. P.
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Barbieri, C.
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Lamy, P. L.
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Rodrigo, R.
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Koschny, D.
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Rickman, Hans
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Keller, H. U.
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Agarwal, J.
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A'Hearn, M. F.
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Barucci, M. A.
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Bertaux, J. L.
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Bertini, I.
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Boudreault, S.
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Cremonese, G.
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Da Deppo, V.
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Debei, S.
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De Cecco, M.
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Deller, J.
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El Maarry, M. R.
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Feller, C.
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Fornasier, S.
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Gicquel, A.
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Groussin, O.
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Gutierrez, P. J.
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Hofmann, M.
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Hviid, S. F.
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Ip, W. H.
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Jorda, L.
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Knollenberg, J.
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Kramm, J. R.
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Kuehrt, E.
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Kuppers, M.
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La Forgia, F.
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Lara, L. M.
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Lin, Z. Y.
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Lazzarin, M.
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Moreno, J. J. Lo ...
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Lucchetti, A.
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Marzari, F.
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Massironi, M.
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Michalik, H.
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Oklay, N.
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Pommerol, A.
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Preusker, F.
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Scholten, F.
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Thomas, N.
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Tubiana, C.
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Vincent, J. B.
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