TY  - BOOK
AU  - Washburn,Sherwood Larned
TI  - Social life of early man
T2  - Viking Fund Publications in Anthropology
U1  - 572 
PY  - 1961///
CY  - New York
PB  - Wenner Gren Foundation for Anthropological Research, 
KW  - Hombre primitivo
KW  - Primates
KW  - Paleontologia
KW  - Fosiles
ER  -