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Government Document Serial -
2Published 1985“...U.S. Dept. of Agriculture, Economic Research Service, Agricultural Research Service,...”
Government Document Book -
3Published 1983“...Agricultural Research Service (North Central Region), U.S. Dept. of Agriculture,...”
Government Document Book -
4Published 1982“...Agricultural Research Service, North Central Region, U.S. Dept. of Agriculture,...”
Government Document Book