...grain pests as affected by δ‐endotoxin and β‐exotoxin...
Salama, H. S., Aboul-Ela, R., El-Moursy A. and Abdel-Razek, A. 1991a. Biology and development of some stored grain pests as affected by d-endotoxin and b-exotoxin of Bacillus thuringiensis. Biocontrol Science and Technology 1: 281-287....