%0 Thesis %A Crockford, Catherine %+ Chimpanzees, Department of Primatology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Vocal communication in West African wild chimpanzees (Pan troglodytes verus): Similarities and differences with humans : %G eng %U https://hdl.handle.net/11858/00-001M-0000-002B-5F31-E %I Univ. %C Leipzig %D 2004 %P vii, 141 %V phd %9 phd %K Chimpanzees--Communication; Psychology, Comparative