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Supplemental Specialty Feeds for Making 225 Pound Pigs on Pasture

Carl John DrakeClarence Leroy HolmesHarold De Mott HughesIrving E. MelhusJohn Marcus EvvardWilliam Henry StevensonArthur Lawrence AndersonC. C. CulbertsonFranklin Scott WilkinsFrederick Dunaway ButcherG. V. GlatfelterLawrence Wood DurrellPercy Edgar BrownFrederick Azel Fenton

出版	Agricultural Experiment Station, Iowa State College of Agriculture and Mechanic Arts, 1922
URL	http://books.google.com.hk/books?id=lWaCAQAACAAJ&hl=&source=gbs_api