Browsing AE Series - Agricultural Engineering / ABEN by Author "Kaufman, Ken"

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    • Sunflower for power! 

      Hofman, Vern; Kaufman, Ken; Helgeson, Delmer; Dinusson, W. E.; Hofman, Vern; Kaufman, Ken; Helgeson, Delmer; Dinusson, W. E. (North Dakota State University, 1981)