Showing 1 - 3 results of 3 for search 'Nelson, Leon F.', query time: 0.12s Refine Results
  1. 1
    Putting the U.S. agricultural energy picture into focus /
    by Nelson, Leon F.
    Published 1974
    Microform Book
  2. 2
    Recognizing productive, energy-efficient agriculture in the complex U.S. food system /
    by Nelson, Leon F.
    Published 1975
    Microform Book
  3. 3
    Energy from sun, to plant, to man /
    by Stickler, Fred C.
    Published 1975
    Other Authors: “...Nelson, Leon F....”
    Microform Book
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