Tisselli, O. Sources of resistence to selected fungal, bacterial, viral and nematode disease of soybeans - Urbana, Ill. : International Soybean Program, 1980 - 134 p. : ilus. - INSTOY series ; 18 . - INSTOY series ; 18 . LCCN: 46962 Subjects--Topical Terms: Soya--Variedades resistentes a enfermedades. Dewey Class. No.: 633.34 / T5