Biological control of insect pests in the continental United States / by C.P. Clausen.

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Bibliographic Details
Main Author: Clausen, Curtis P. (Curtis Paul), 1893-1976
Corporate Author: United States. Department of Agriculture
Format: Government Document Book
Language:English
Published: Washington : U.S. Dept. of Agriculture, 1956.
Series:Technical bulletin (United States. Department of Agriculture) ; no. 1139.
Subjects: