TY  - BOOK
AU  - Roth, Eric Abella  .
TI  - Culture, biology, and anthropological demography / 
SN  - 0-521-80905-3
U1  - Y7:5(G) 
PY  - 2004///
CY  - Cambridge : 
PB  - Cambridge University Press , 
KW  - Social ecology
ER  -