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Beneficial insects
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Book Title
Beneficial insects
By
United States. Department of Agriculture.
United States. Extension Service.
United States. Bureau of Entomology and Plant Quarantine.
Publication Details
Washington D.C, United States Department of Agriculture, 1941
Year
1941
DOI
https://doi.org/10.5962/bhl.title.119301
Holding Institution
U.S. Department of Agriculture, National Agricultural Library
Sponsor
U.S. Department of Agriculture, National Agricultural Library
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Contributed by U.S. Department of Agriculture, National Agricultural Library
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