Kmetz, Konrad. "Soybean Seed Decay: Studies on Disease Cycles, Effects of Cultural Practices on Disease Severity and Differentiation of the Pathogens Phomopsis SP., Diaporthe Phaseclorum Var. Sojae and D. Phaseolorum Var. Caulivora." Doctoral dissertation, Ohio State University, 1975. http://rave.ohiolink.edu/etdc/view?acc_num=osu1392812982Chicago Manual of Style (17th edition)