1. Proc. first Int. Cong. Parasit.;Coluzzi,1964
2. The Anopheles gambiae complex;Davidson,1967
3. D.I.B.D. Annual Reports (certain dates also quoted): unpublished internal reports of the Kenya Ministry of Health, Division of Insect-Borne Diseases, Medical Research Laboratory, P.O. Box 30141, Nairobi.