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Google圖書搜尋
Relation of the Method of Watering Dairy Cows to Their Water Consumption and Milk Production
Thompson Elwyn Woodward
James Bernard McNulty
出版
U.S. Department of Agriculture
, 1931
URL
http://books.google.com.hk/books?id=sOGp3i0vpLoC&hl=&source=gbs_api
EBook
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