I. A.  Gaaboub, ?Investigations on the nature of DDT and gamma-BHC resistance in a strain of human body louse, Pediculus humanus corporis DeGeer, collected from Alexandria U. A. R. (United Arab Republic) during May, 1969?, Zeitschrift für Angewandte Entomologie, vol. 67, no. 1, pp. 95 - 98, 1970.

I. A.  Gaaboub and Hammad, S. M., ?Susceptibility levels of the Egyptian body louse, Pediculus humanus corporis DeGeer, in Alexandria city (United Arab Republic) to DDT, gamma-BHC and pyrethrins?, Bulletin of the Entomological Society of Egypt, vol. 4, pp. 189 - 195, 1970.