Myers, Emilen. <br/><br/>
The collapse of complex societies :   The collapse of ancient states and civilizationc. 

 - Washington, DC :   American Anthropological Association,   1989. 
 - p.1065-1066 
 - trimestral 
 - Vol.91, no.4(Dec.1989) 
 - American Anthropologist ;   vol.91, no.4 .
 - Estados Unidos.   American Anthropological Association. .
<br/><br/> Comments on: Archeology.