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close this section of the libraryMartin, Franklin W. 1n(2)
View the documentMartin, Franklin W. 1n; The biology of poor seed production in Tephrosia vogelii / . Washington : U.S. Dept. of Agriculture, 1970.
View the documentMartin, Franklin W. 1n; Cultivation of the sapogenin-bearing Dioscorea species / . Washington, D.C. : Agricultural Research Service, U.S. Dept. of Agriculture, 1968.