The collapse of ancient state and civilizations / 
edited by Norman Joffee and George L. Cowgill 
 - Tucson, Ariz. :  University of Arizona Press,  1988 
 - 333 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0816510490 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization, Ancient<br/>Civilization--Philosophy