Algaze, Guillermo. <br/><br/>
Expansionary dynamics of some early pristine states. 

 - Washington, DC :   American Anthropological Association,   1993. 
 - p. 304-333 :   il 
 - trimestral 
 - Vol.95, no.2(Jun.1993) 
 - American Anthropologist ;   vol.95, no.2 .
 - Estados Unidos.   American Anthropological Association. .