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Comparative Shrinkage in Weight of Alfalfa Cured with Leaves Attached and Removed

Harvey Leroy Westover

出版	U.S. Department of Agriculture, 1926
URL	http://books.google.com.hk/books?id=DvwmA1aiwsQC&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN