Books listed by ISBN
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Stanford University Press
> R. Scheffer
R. Scheffer
title
ISBN-13
(ISBN-10)
year of publication
Seals, Sea Lions and Walruses a Review of the Pinnip
978-O-8O47-O544-8
(O-8O47-O544-5)
1958
Heinrich R Scheffer
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R. S.
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Robert P. Scheffer
R. Scheffold