1. Analysis of Binary Data;Cox,1970
2. Rearing Somaticus species (Coleoptera: Tenebrionidae) in the laboratory;Drinkwater;Phytophylactica,1991
3. Laboratory trials on the systemic activity of insecticides against false wireworms, Somaticus species (Coleoptera: Tenebrionidae), attacking maize;Drinkwater;Phytophylactica,1989
4. Efficacy of soil-applied and seed dressing insecticides for the control of false wireworms, Somaticus species (Coleoptera: Tenebrionidae), in maize;Drinkwater;Crop Prot.,1990
5. Improved laboratory rearing of Eldana saccharina (Lepidoptera: Pyralidae) and its indigenous parasitoid Goniozus natalensis (Hymenoptera: Bethylidae);Graham,1988