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Findings in Farm Science from Wisconsin's Proving Grounds
David R. Mitchell
Edmond Joseph Delwiche
James Garfield Halpin
John Ambrose James
Ray Harland Roberts
University of Wisconsin. Agricultural Experiment Station
其他書名
Annual Report of the Director 1935-36
出版
Agricultural Experiment Station, University of Wisconsin
, 1935
URL
http://books.google.com.hk/books?id=a3dRAQAAMAAJ&hl=&source=gbs_api
