Braswell, Geoffrey E. <br/><br/>
Interpreting intrasource variation in the composition of obsidian :   The geoarchaeology of san martin jilotepeque, Guatemala. 

 - Washington, DC-US :   Society for American Archaeology,   1998. 
 - p. 353-369 :   il 
 - trimestral 
 - Vol.9, no.4(Dec.1998) 
 - Latin American Antiquity ;   vol.9, no.4 .
 - Estados Unidos.   Society for American Archaeology. .
<br/><br/> Articulo dentro de reports.