TY  - BOOK
AU  - McGrew,W.C.
TI  - Chimpanzee material culture: implications for human evolution 
SN  - 0521413036
PY  - 1992///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Chimpanzees
KW  - Behavior
KW  - Human evolution
KW  - Tool use in animals
KW  - Social evolution
KW  - Material culture
KW  - Hunting and gathering societies
ER  -