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Variation in Coumestrol Content of Alfalfa as Related to Location, Variety, Cutting, Year, Stage of Growth, and Disease

C. H. Hanson

出版	U.S. Department of Agriculture, 1965
URL	http://books.google.com.hk/books?id=wsIXAAAAYAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN