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By: Starostka, R. W. - MacBride, R. E. - Hulburt, W. C. (Walter Clare), - United States. Agricultural Research Service.Edition:Publication info: Washington, DC, U.S. Dept. of Agriculture, Agricultural Research Service, 1962Volume: no.42-70Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: