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The Hohenheim System in the Management of Permanent Pastures for Dairy Cattle. By T.E. Woodward ... and J.B. Shepherd ... and M.A. Hein

Thompson Elwyn Woodward

出版	U.S. Government Printing Office, 1938
URL	http://books.google.com.hk/books?id=lEgKYAAACAAJ&hl=&source=gbs_api