Awe, Jaime. <br/><br/>
Flakes to blades? Middle formative development of obsidian artifacts in the upper in the upper belize river valley. 

 - Washington, DC-US :   Society for American Archaeology,   1994. 
 - p.193-205 :   il 
 - trimestral 
 - Vol.5, no.3(Sep.1994) 
 - Latin American Antiquity ;   vol.5,no.3 .
 - Estados Unidos.   Society for American Archaeology. .