@article{Parker, author = {Parker, C. E.}, title = {Responsiveness, manipulation, and implementation behaviour in Chimpanzees, Gorillas, and Orang-Utans}, series = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 160-166.}, journal = {C. R. Carpenter (Ed.) Behaviour, New York and Basel (S. Karger) 1969, pp. 160-166.}, language = {en} }