Tempo and mode in evolution:
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Bibliographic Details
Main Author: Simpson, George Gaylord 1902-1984 (Author)
Format: Book
Language:Undetermined
Published: New York Columbia Univ. Pr. 1947
Edition:2. print.
Series:Columbia biological series 15.
Subjects:
Physical Description:XVIII, 237 S. graph. Darst.

There is no print copy available.

Interlibrary loan Place Request Caution: Not in THWS collection!