@article{Marler, author = {Marler, P.}, title = {Communication in Monkeys and Apes}, series = {I. DeVore (Ed.), Primate Behavior. Field Studies of Monkeys and Apes, New York etc. (Holt, Rinehart and Winston) 1965, pp. 544-584.}, journal = {I. DeVore (Ed.), Primate Behavior. Field Studies of Monkeys and Apes, New York etc. (Holt, Rinehart and Winston) 1965, pp. 544-584.}, language = {en} } @article{Marler, author = {Marler, P.}, title = {Vocalizations of wild chimpanzees. An introduction}, series = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 94-100.}, journal = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 94-100.}, language = {en} }