@article{Oppenheimer, author = {Oppenheimer, J. R.}, title = {Changes in forhand patterns and group composition of the White-Faced Monkey (Cebus capucinus)}, series = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 36-42.}, journal = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 36-42.}, language = {en} } @book{Oppenheimer, author = {Oppenheimer, J. R.}, title = {Scvience and the common understanding, New York (Simon and Schuster) 1954.}, language = {en} }