TY  - BOOK
AU  - BOYD, Robert and RICHERSON, Peter J.
TI  - The origin and evolution of cultures 
AV  - GN360.B692004 
PY  - 2005///
CY  - Oxford 
PB  - Oxford University Press 
KW  - Social evolution
KW  - Culture-origin
KW  - Human evolution
KW  - Sociobiology
ER  -