 | Profitability of participation in the 1962 feed grain program in the Corn Belt | (1) |
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 | Profitability of participation in the 1962 feed grain program in the Corn Belt / by James Vermeer. Vermeer, James, 1912- 4n Washington, D.C. : U.S. Dept. of Agriculture, Economic Research Service, 1967. | |
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