Biological materials.

Bibliographic Details
Corporate Author:	National Research Council (U.S.). Biology Council
Other Authors:	Mayr, Ernst, 1904-2005
Format:	Book
Language:	English
Published:	Washington, [publisher not identified] ; [1956-]
Series:	Publication (National Research Council (U.S.)) ; no. 399.
Subjects:	Biology > Research. Natural history museums.

Description
Physical Description:	parts ; 25 cm.
Bibliography:	Bibliography: pt. 1, page 20.