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2. |
- Abrahamsson, Henrik, et al.
(author)
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From QoS provisioning to QoS charging
- 2002. - 1
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In: Proceedings of the Second International Workshop on Internet Charging and QoS Technologies, ICQT 2002. ; , s. 135-144
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Conference paper (peer-reviewed)
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3. |
- Ahlberg, Per, et al.
(author)
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Lotagnostus? : mystacinus, a rare agnostid from the Upper Cambrian of Sweden
- 2000
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In: Acta Palaeontologica Polonica. - 0567-7920. ; 45:1, s. 91-96
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Journal article (peer-reviewed)abstract
- Agnostids afford the best means of correlating Cambrian strata, and they are widely used for intercontinental correlations. They are most common in open-marine deposits and reached a maximum diversity during the Middle and early Late Cambrian. About twenty species of agnostids are known from the Upper Cambrian of Scandinavia. Lotagnostus? mystacinus Tjernvik, 1953 is a rare agnostid from the Upper Cambrian Agnostus pisiformis Zone of south-central Sweden. It is redescribed following examination of the holotype and an additional pygidium. The outline and morphology of especially the pygidial posteroaxis, which is distinctly trilobate by a pair of deep notular furrows, suggest that the species is best classified as a species of Lotagnostus. If correctly assigned to Lotagnostus, it would be the oldest known species of that genus.
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6. |
- Ahlgren, Per, et al.
(author)
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Author cocitation analysis and Pearson's r
- 2004
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In: Journal of The American Society For Information Science And Technology. - : Wiley. - 1532-2882 .- 1532-2890. ; 55:9, s. 843-843
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Journal article (peer-reviewed)
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10. |
- Ahlgren, Per
(author)
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Query Expansion
- 2002
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In: Human IT. - 1402-1501 .- 1402-151X. ; 5:4, s. 157-
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Journal article (peer-reviewed)
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