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Insecticidal value of extracts of Cracca virginiana Linn.

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Bibliographic Details
Main Author: Crawford, Harvey James, 1905-
Format: Thesis Book
Language:English
Published: (College Station, Texas), [publisher not identified] ; 1933.
Subjects:
Major entomology.
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by Crawford, Harvey James, 1905-
Published 1933
Thesis Microform Book
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