The cephalaspids from the Dittonian section at Cwm Mill, near Abergavenny, Gwent
White, Errol Ivor, 1901-1985 Toombs, Harry A
Article
1983
Bulletin of the British Museum (Natural History) Geology
37
149--171
BioStor
English
London, BM(NH),
BioStor: https://biostor.org/reference/118620
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