Smith, Bruce D. <br/><br/>
Reconsidering the ocampo caves and the era of incipient cultivation in mesoamerica. 

 - Washington, DC-US :   Society for American Archaeology,   1997. 
 - p. 342-383 :   il 
 - trimestral 
 - Vol.8, no.4(Dec.1997) 
 - Latin American Antiquity ;   vol.8, no.4 .
 - Estados Unidos.   Society for American Archaeology. .