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By: Birkelund, Tove - Hakansson, EckartType: ArticleIn: ZittelianaVolume: 10Series:Issue:Date: 1982Page Range: 7--25Publication Info: Altötting [etc.], Komissionsverlag Geiselberger [etc.],Subjects:
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By: Birkelund, Tove - Thusu, Bindra - Vigran, Jorunn OsType: ArticleIn: PalaeontologyVolume: 21Series:Issue:Date: 1978Page Range: 31--63Publication Info: London, Palaeontological Association, 1957-Subjects: