American foulbrood of honey bees : how to control it / by A.S. Michael.
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Main Author: | |
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Format: | Government Document Book |
Language: | English |
Published: |
Washington, D.C. :
U.S. Dept. of Agriculture,
1954.
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Series: | Farmers' bulletin (United States. Department of Agriculture) ;
no. 2074. |
Subjects: |