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Nebraska Tractor Tests
Theodore Alexander Kiesselbach
Arthur W. Medlar
Frank Miller
Helen Baeder
Karl Spangler Quisenberry
Marvel L. Barker
Myron Harmon Swenk
University of Nebraska (Lincoln campus). Agricultural Experiment Station
Chauncey William Smith
Walter L. Ruden
其他書名
1920-1938
出版
University of Nebraska, College of Agriculture, Experiment Station
, 1938
URL
http://books.google.com.hk/books?id=qUsKMQAACAAJ&hl=&source=gbs_api