1. Bard KA (1996) Responsive care: behavioral interventions for nursery-reared chimpanzees. In: Landau VI (ed) The 1996 ChimpanZoo Conference. ChimpanZoo, Sponsored Program of the Jane Goodall Institute, Tucson
2. Beck BB, Power ML (1988) Correlates of sexual and maternal competence in captive gorillas. Zoo Biol 7:339–350
3. Bloomsmith MA, Pazol KA, Alford PL (1994) Juvenile and adolescent chimpanzee behavioral development in complex groups. Appl Anim Behav Sci 39:73–87
4. Bloomsmith MA, Baker KC, Ross SR, Lambeth SP (2005) Early rearing conditions and captive chimpanzee behavior: some surprising findings. In: Sackett GP, Ruppenthal GC, Elias K (eds) Nursery rearing of nonhuman primates in the 21st century. Kluwer, New York, pp 289–312
5. Boesch C, Boesch-Achermann H (2000) The chimpanzees of the Tai forest: behavioural ecology and evolution. Oxford University Press, London