![](/img/cover-not-exists.png)
Spontaneous Invention of Ladders in a Group of Young Chimpanzees
Menzel, Jr., E.W.Volume:
17
Year:
1972
Language:
english
Journal:
Folia Primatologica
DOI:
10.1159/000155417
File:
PDF, 3.55 MB
english, 1972