登入選單
返回Google圖書搜尋
Relation of the Method of Watering Dairy Cows to Their Water Consumption and Milk Production
Thompson Elwyn WoodwardJames Bernard McNulty
出版U.S. Department of Agriculture, 1931
URLhttp://books.google.com.hk/books?id=sOGp3i0vpLoC&hl=&source=gbs_api
EBookFULL_PUBLIC_DOMAIN