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Steer Feeding Experiments
Charles Emory Myers
Charles Franklin Noll
Charles Frederick Shaw
Frank Duane Gardner
Henry Prentiss Armsby
John Pogue Stewart
Otto Olson
William Frear
William Henry Tomhave
出版
Pennsylvania State College Agricultural Experiment Station
, 1913
URL
http://books.google.com.hk/books?id=ac5PAQAAMAAJ&hl=&source=gbs_api