@article{Hooff, author = {Hooff, J. A. R. A. M. van}, title = {The Facial Displays of the Catarrhine Monkeys and Apes}, series = {D. Morris (Ed.), Primate Ethology, London (Weidenfeld and Nicolson) 1967, pp. 7-68.}, journal = {D. Morris (Ed.), Primate Ethology, London (Weidenfeld and Nicolson) 1967, pp. 7-68.}, language = {en} }