Piecing together the history of our knowledge of chimpanzee tool use.
Kattmann
U
U
D000818:Animals; D001522:Behavior, Animal; D001878:Books, Illustrated / Q000266:history; D005858:Germany; D049672:History, 19th Century; D049673:History, 20th Century; D007988:Liberia; D002679:Pan troglodytes / Q000502:physiology*; D010678:Philately / Q000266:history*