1. Production identification and standardization of insect viral pathogens;Ignoffo,1965
2. Feeding stimulants for the larvae of the Egyptian cotton leafworm, Spodoptera littoralis (Boisd.) 1. Assaying the larval response to extracts of several substances with the Styropor method;Meisner;World Rev. Pest Contr,1970
3. Microbial Pesticides;Tanada,1967