Author: MCGOWAN, C.
Title: The systematics of Cretaceous ichthyosaurs with particular reference to the material from North America.
Description: 1972. Univ. Wyoming, Contributions to Geology 11-1; pp. 9-29, 12 fig. 3 pp. with plts. Orig. wrps. with libr. stamp, complete issue, very good, 4to.

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