TY  - BOOK
AU  - Chagnon, Napolean A..
TI  - Evolutionary Biology and Human Social Behavior: An Anthropological Perspective / 
SN  - 0-87872-193-2
U1  - Y7:(G:66) 
PY  - 1987///
CY  - Massachusetts : 
PB  - Duxbury Press , 
ER  -