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Google圖書搜尋
Feeding Soybeans to Pigs
Earl Henry Hostetler
John Oliver Halverson
其他書名
The Effect on Gains and Method of Producing Firm Carcasses
出版
North Carolina Agricultural Experiment Station
, 1940
URL
http://books.google.com.hk/books?id=Bs5KnJ-IiSMC&hl=&source=gbs_api