1. A comparison of social organization in Asian elephants and African Savannah elephants;de Silva;Int. J. Primatol.,2012
2. On the Ecology and Behaviour of the African Elephant;Douglas-Hamilton,1972
3. Forest elephants: fission–fusion and social arenas;Fishlock;Anim. Behav.,2013
4. Relationships and social structure of African elephants;Moss,1983
5. Forest elephant behavior and ecology: observations from the Dzanga saline;Turkalo,2001