Eibl-Eibesfeldt, Irenäus Humanethologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Pitcairn, T. K., & Eibl-Eibesfeldt, I. (1976). Concerning the evolution of noverbal communication in man. In E. Simmel, & M. Hahn (Eds.), Communicative Behavior and Evolution (pp. 81-113). New York, San Francisco, London: Academic Press.