Braswell, Geoffrey E. <br/><br/>
Obsidian-hydration dating, the coner phase, and revisinist chronology at copan, Honduras. 

 - Washington, DC-US :   Society for American Archaeology,   1992. 
 - p. 130-147 :   il 
 - trimestral 
 - Vol.3, no.2(Jun.1992) 
 - Latin American Antiquity ;   vol.3,no.2 .
 - Estados Unidos.   Society for American Archaeology. .