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Findings in Farm Science from Wisconsin's Proving Grounds
Benjamin Horace Hibbard
David R. Mitchell
Edmond Joseph Delwiche
James Garfield Halpin
John Ambrose James
John Charles Walker
Preston Essex McNall
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
, 1934
URL
http://books.google.com.hk/books?id=ArXF0AEACAAJ&hl=&source=gbs_api