登入
選單
返回
Google圖書搜尋
Studies in Dairy Production Based on the Records Secured in the Wisconsin Dairy Cow Competition, 1909-1911
Conrad Hoffmann
Edwin Bret Hart
Edwin George Hastings
Frederick Brown Hadley
Fritz Wilhelm Woll
James Johnson
John Langley Sammis
William Edward Tottingham
Aksel Theodor Bruhn
Burr Abraham Beach
James Garfield Halpin
Alice Catherine Evans
出版
University of Wisconsin Agricultural Experiment Station
, 1912
URL
http://books.google.com.hk/books?id=kMBQAQAAMAAJ&hl=&source=gbs_api