TY  - BOOK
AU  - Lenski,Gerhard Emmanuel
TI  - Agrarian societies
PY  - 1970///
CY  - New York
PB  - McGraw-Hill
KW  - Macrosociology
KW  - Social evolution
N1  - A xerox copy from chapter 9 of Human societies : a macro-level introduction to  sociology
ER  -