The Yorkshire type ammonites and nautiloids of Young and Bird, Phillips, and Martin Simpson
Howarth, M K
Article
1962
Palaeontology
5
93--136
BioStor
English
London, Palaeontological Association, 1957-
BioStor: https://biostor.org/reference/166284
In Copyright. Digitized with the permission of the rights holder
https://www.biodiversitylibrary.org/permissions/
http://creativecommons.org/licenses/by-nc/3.0/
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