The primate roots of human language: Primate vocal behaviour and cognition in the wild Zuberbühler, K. Ouattara, K. Bitty, A. Lemasson, A. Noë, R. John Benjamins Publishing Company, Amsterdam EthoS, UMR 6552 CNRS Université de Rennes 1 2009 Chapitre d'ouvrage In F. d'Errico & J.-M. Hombert (Eds.) (2009), Becoming eloquent: Advances in the emergence of language, human cognition, and modern cultures (pp. 235-264)