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Changes in Meat and Wool Characteristics Resulting from the Use of Purebred Mutton Rams on Native Ewes
John Erwin Foster
Earl Henry Hostetler
North Carolina Agricultural Experiment Station
出版
Agricultural Experiment Station of the North Carolina State College of Agriculture and Engineering, and N.C. Department of Agriculture, cooperating
, 1939
URL
http://books.google.com.hk/books?id=ZfKyQl_fnSUC&hl=&source=gbs_api
