TY  - BOOK
AU  - Joffee,Norman
AU  - Cowgill,George L.
TI  - The collapse of ancient state and civilizations
SN  - 0816510490
PY  - 1988///
CY  - Tucson, Ariz.
PB  - University of Arizona Press
KW  - Civilization, Ancient
KW  - Civilization
KW  - Philosophy
ER  -