Uppermost Ordovician to Lower Silurian graptolite biostratigraphy of the Wye valley, central Wales
Zalasiewicz, J. A. Tunnicliff, Steve P.
Article
1994
Palaeontology
37
695--720
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/166046
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