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Google圖書搜尋
Test of Three Protein Concentrates and Two Leguminous Roughages in Milk Production
Alfred Theodor Wiancko
Charles Goodrich Woodbury
Clarence E. Baker
John Harrison Skinner
Joseph Oskamp
Otto Frederick Hunziker
Purdue University. Horticulture Dept
Robert Alexander Craig
出版
Purdue University Agricultural Experiment Station
, 1917
URL
http://books.google.com.hk/books?id=jesKMQAACAAJ&hl=&source=gbs_api