TOOL-USING SKILLS OF ORANGUTANS

[1] Beck B.B., 1977, Zoologische Gart., Jena, V47, P352

[2] Beck B.B., 1975, P413

[3] Beck B.B., 1978, P405

[4] BABOONS, CHIMPANZEES, AND TOOLS [J]. JOURNAL OF HUMAN EVOLUTION, 1974, 3 (06) : 509 - &

[5] Borner M, 1979, ORANGUTAN ORPHANS FO

[6] DAVIS R R, 1978, Primates, V19, P755, DOI 10.1007/BF02373641

[7] Dohl J., 1973, Zoologische Gart Lpz, V43, P81

[8] DOHL J, 1968, Z TIERPSYCHOLOGIE, V25, P200

[9] DOHL J, 1980, TOOL USING INSIGHT L

[10] Edwards S.D., 1980, International Journal of Primatology, V1, P39, DOI 10.1007/BF02692257

[1] Beck B.B., 1977, Zoologische Gart., Jena, V47, P352

[2] Beck B.B., 1975, P413

[3] Beck B.B., 1978, P405

[4] BABOONS, CHIMPANZEES, AND TOOLS [J]. JOURNAL OF HUMAN EVOLUTION, 1974, 3 (06) : 509 - &

[5] Borner M, 1979, ORANGUTAN ORPHANS FO

[6] DAVIS R R, 1978, Primates, V19, P755, DOI 10.1007/BF02373641

[7] Dohl J., 1973, Zoologische Gart Lpz, V43, P81

[8] DOHL J, 1968, Z TIERPSYCHOLOGIE, V25, P200

[9] DOHL J, 1980, TOOL USING INSIGHT L

[10] Edwards S.D., 1980, International Journal of Primatology, V1, P39, DOI 10.1007/BF02692257