Books by Richard S. Soper
Cotton-integrated pest management
Biological control quarantine
World directory for current re
World directory for current research on the Entomopathogenic fungal genus Entomophthora, third edition
World directory for current re
World directory for current research on the entomopathogenic fungal genus Entomophora
Production of entomophthora re
Production of entomophthora resting spores for biological control of aphids