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Accuracy of Back-fat Probes, Scores for Market Grade, and Various Body Measurements on Live Hogs for Predicting Carcass Value /c by J.X. King, H.O. Hetzer, and J.H. Zeller

James X. KingH. O. HetzerJohn Henry Zeller

出版	Agricultural Research Service, U.S. Department of Agriculture, 1962
URL	http://books.google.com.hk/books?id=M1GEvgEACAAJ&hl=&source=gbs_api