@article{Kortlandt, author = {Kortlandt, Adriaan}, title = {Chimpanzees in the Wild.}, series = {Scientifi American Vol. 206 (1962), pp. 128-138.}, journal = {Scientifi American Vol. 206 (1962), pp. 128-138.}, language = {en} } @article{Kortlandt, author = {Kortlandt, Adriaan}, title = {Handgebrauch bei freilebenden Schimpansen}, series = {B. Rensch (Ed.), Handgebrauch und Verst{\"a}ndigung bei Affen und Fr{\"u}hmenschen, Bern (Verlag Hans Huber) 1968, pp. 59-102.}, journal = {B. Rensch (Ed.), Handgebrauch und Verst{\"a}ndigung bei Affen und Fr{\"u}hmenschen, Bern (Verlag Hans Huber) 1968, pp. 59-102.}, language = {de} } @article{Kortlandt, author = {Kortlandt, Adriaan}, title = {The Use of (Rudimentar) Weapons by Apes and Man (Appendix I.), >Hunting< and >Predatory< Behavior in Chimpanzees and Man (Appendix II.),}, series = {Kortland, A.: New Perspectives on Ape and Human, Amsterdam 1972, pp. 79-91.}, journal = {Kortland, A.: New Perspectives on Ape and Human, Amsterdam 1972, pp. 79-91.}, language = {en} } @article{KortlandtZon, author = {Kortlandt, Adriaan and Zon, J. C. J.}, title = {The present state of research on the dehumanization hypothesis of African ape evolution}, series = {C. R. Carpenter (Ed.) Neurology, Physiology and Infectious Diseases, Basel and New York (S. Karger) 1969, pp. 10-13.}, journal = {C. R. Carpenter (Ed.) Neurology, Physiology and Infectious Diseases, Basel and New York (S. Karger) 1969, pp. 10-13.}, language = {en} }