1. Reappraisal of the role of big, fierce predators!;Ale;Biodivers. Conserv.,2008
2. The re-establishment and management of a lion Panthera leo population in Zululand, South Africa;Anderson;Biol. Conserv.,1981
3. The Hluhluwe-Umfolozi Reserve: an ecological case history;Brooks,1983
4. Bryden, B.R., 1978. The biology of the African lion (Panthera leo Linnaeus, 1758) in the Kruger National Park. M.Sc. Thesis, University of Pretoria.
5. Density Estimation Using Distance Sampling;Buckland,1993