1. A method for computing the effectiveness of an insecticide;Abbott;J. Econ. Entomol,1925
2. The retarding effect of Bacillus thuringiensis on larval development of flour moth, Anagasta kühniella, with a new method of determining the duration of instars;Afify;Acta entomologica,1971
3. LT-indication of increasing tolerance to bacterial insecticides with larval development of Anagasta kühniella;Afify;Anz. Schädlingskde., Pflanzenschutz, Umweltschutz,1970
4. On tracing the response of some Egyptian cotton worms in different larval ages to Bacillus thuringiensis.;Afify;Z. ang. Ent.,1969