The Ordovician graptolites of Spitsbergen
Cooper, R. A. (Roger Alan), 1939- Fortey, Richard A
Article
1982
Bulletin of the British Museum (Natural History) Geology
36
157--302
BioStor
English
London, BM(NH),
BioStor: https://biostor.org/reference/118623
In copyright. Digitized with the permission of the rights holder
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http://creativecommons.org/licenses/by-nc-sa/4.0/
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