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By: Carns, H. R. - Graham, J. H. (James H.), - Ravitz, S. J. - BACER Program (U.S.) - United States. Science and Education Administration. Agricultural Research.Edition:Publication info: Washington, D.C, Agricultural Research, Science and Education Administration, [1971?]Volume: 1971Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: