1. Accuracy and sensitivity of ion exchange resin methods;Blackburn,1968
2. Chemistry and biology of pathotoxins exhibiting non-selectivity;Daly,1982
3. Basic Plant Pathology Methods;Dhingra,1985
4. Determination de resistencia contra Helminthosporium tritici-repentis bajo conditiones de campo e invernadero;Gilchrist;Agrociencia,1984