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The Relationship Between Colony Populations and Honey Production
Floyd E. Moeller
其他書名
As Affected by Honey Bee Stock Lines
出版U.S. Department of Agriculture, Agricultural Research Service, 1961
URLhttp://books.google.com.hk/books?id=YJKROFWn6jUC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN