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Beck, Stanley D.

Animal photoperiodism relationship of daylength to animal growth, development and behavior Stanley D. Beck - New York Holt, Rinehart and Winston, Inc. 1963 - 124 p. fig., tab. 20 cm. - Holt library of science 1 .

Includes references and index

Subjects--Topical Terms:
Ζώα--Βιολογία

Dewey Class. No.: 591.43