Insects in African Economy and Environment. (...) Joint Congress of the Entomological Society of Southern Africa and the African Assoc. of Insect Scientists, Stellenbosch, 30 June-4 July 1997.

Insects in African Economy and Environment. (...) Joint Congress of the Entomological Society of Southern Africa and the African Assoc. of Insect Scientists, Stellenbosch, 30 June-4 July 1997. - 255 pp + addendum