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Google圖書搜尋
Purebred Dairy Sires
Albert Nash Hume
Alfred L. Bushey
Bertrand Ackley Dunbar
E. J. Petry
James Wilbur Wilson
Niels Ebbesen Hansen
Thomas M. Olson
其他書名
Their Value and Influence on Production
出版
Agricultural Experiment Station, South Dakota State College of Agriculture and Mechanic Arts
, 1924
URL
http://books.google.com.hk/books?id=L9hDAQAACAAJ&hl=&source=gbs_api