1. Acha, P.N., Szyfres, B., Zoonoses Communicable Diseases Common to Man and Animals, 2nd edn. PAHO, 1989
2. Brack M., 1987. Agents Transmissible from Simians to Man. Springer, Berlin
3. Bruce M.J.V.B.C., 1993. Tropical diseases, Paper no. 2, 6pp
4. Parasites of the Kenya baboon: Arthropods, blood protozoa and helminths;Haiegwa;Primates,1983
5. The natural history of dung beetles of the sub-family Scarabaeinae (coleoptera, scarabaeidae);Halffer;Folia Entomogie Mexicana,1966