TY  - BOOK
AU  - Lenski,Gerhard Emmanuel
AU  - Lenski,Jean
TI  - Human societies: an introduction to macrosociology 
SN  - 0070371814 :
AV  - HM 51 .L 46 1987
PY  - 1987///
CY  - New York
PB  - McGraw-Hill
KW  - Microsociology
KW  - Social evolution
KW  - Social systems
KW  - History
N1  - Includes indexes
ER  -