Hard, Robert J. <br/><br/>
Mobile agriculturalists and the emergence of sedentism :   Perspectives fromnorthern mexico. 

 - Washington, DC :   American Anthropological Association,   1992. 
 - p. 601-620 :   il 
 - trimestral 
 - Vol.94, no.3(Sep.1992) 
 - American Anthropologist ;   vol.94, no.3 .
 - Estados Unidos.   American Anthropological Association. .