TY  - BOOK
AU  - Johnson,Allen W  .
AU  - Earle,Timothy  .
TI  - The evolution of human societies : from foraging group to Agrarian state / 
SN  - 0804740321
U1  - 303.4 
PY  - 2000///
CY  - California : 
PB  - Stanford University Press , 
KW  - SOCIAL EVOLUTION
N1  - Includes bibliography and index
ER  -