The dilemma of the paleontologist.

Bibliographic Details

Main Author:	Case, Ermine Cowles, 1871-1953
Format:	Book
Language:	English
Published:	Ann Arbor : University of Michigan Press, 1951.
Series:	Contributions from the Museum of Paleontology ; v. 9, no. 5.
Subjects:	Paleontology. Evolution.