Kormos R, Boesch C, Bakarr M I, Butynski T. (eds.). 2003. West African Chimpanzees. Status Survey and Conservation Action Plan. IUCN/SSC Primate Specialist Group. IUCN, Switzerland and UK.<br> | Kormos R, Boesch C, Bakarr M I, Butynski T. (eds.). 2003. West African Chimpanzees. Status Survey and Conservation Action Plan. IUCN/SSC Primate Specialist Group. IUCN, Switzerland and UK.<br> |