Sustainable agricultural systems :
hearings before the Subcommittee on Department Operations, Research, and Foreign Agriculture of the Committee on Agriculture, House of Representatives, Ninety-seventh Congress, second session, April 16, 1982, Ontario, Calif., April 22 and 27, 1982, Washington, D.C.
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Item Link | Original Source |
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Full view | University of California |
Full view | University of Virginia |
Full view | University of Minnesota |