1. The joint action of microbial insecticides in the cotton leafworm Spodoptera littoralis (Boisd.);Abdallah;Bull. Ent. Soc. Egypt., Econ. Ser.,1969
2. Isolation and pathogenicity of three varieties of Bacillus associated with diseased cotton worms in Egypt;Afify;Proc. Egypt. Acad. Sci.,1968
3. Controle de lagarta de cortucho de milbe Spodoptera frugiperda pelo carbaril carbofuran, dipel, endosulfan;De Lima;Rev. Ceres.,1976
4. Production of the spore-δ-endotoxin complex by variants of Bacillus thuringiensis in two fermentation media;Dulmage;J. Invertebr. Pathol.,1970
5. Coprecipitation with lactose as a means of recovering the spore crystal complex of Bacillus thuringiensis;Dulmage;J. Invertebr. Pathol.,1970