Bird populations of aspen forests in western North America /

Bibliographic Details
Main Author:	Flack, J. A. Douglas
Format:	Book
Language:	English
Published:	[Washington] : [Tampa, Fla.] : American Ornithologists' Union ; [may be ordered from G. E. Woolfenden], 1976.
Series:	Ornithological monographs ; no. 19.
Subjects:	Birds > West (U.S.) Birds > Canada. Aspen > West (U.S.) Aspen > Canada. Forest ecology > West (U.S.) Forest ecology > Canada. Bird populations > West (U.S.) Bird populations > Canada.

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