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Google圖書搜尋
Comparative Heat Tolerance of Jerseys and Red Sindhi X Jersey Crosses
Robert E. McDowell
Milton Henry Fohrman
出版
United States Department of Agriculture, Agricultural Research Administration, Bureau of Dairy Industry
, 1952
URL
http://books.google.com.hk/books?id=rv7IoAEACAAJ&hl=&source=gbs_api
