登入選單
返回Google圖書搜尋
Dehorning, Castrating, Branding, and Marketing Beef Cattle
William Henry BlackVirgil Verser Parr
出版U.S. Government Printing Office, 1950
URLhttp://books.google.com.hk/books?id=7-xBdirt8g4C&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN