Conference Paper
Pika, S.; Liebal, K.: Differences and similarities between the natural gestural communication of the great apes and human children. In: The evolution of language, Proceedings of the 6th International Conference (Evolang 6), pp. 267 - 274 (Eds. Cangelosi, A.; Smith, A. D. M.; Smith, K.). The evolution of language, 6th International Conference (Evolang 6), Roma, April 12, 2006 - April 15, 2006. World Scientific Publishing, London (2006)