ISBN 9780901702654 books & textbook
The Palaeontological Association Field Guide to Fossils, Fossils of the Rhaetian Penarth Group (Palaentology FG Fossils)
Swift, Andrew Martill, David M.
Wiley-Blackwell /1999-12-16 Paperback / 316 Pages
isbn-10: 090170265X / isbn-13: 9780901702654
