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.

O. H.  Enan, ?Susceptibility of body- lice Pediculus humanus humanus to some insecticides in Alexandria area in the United Arab Republic?, Alex. J. Agr. Res., vol. 18, no. 1, pp. 123 - 129, 1970.