Hatch, James W. <br/><br/>
Hopewell obsidian studies :   behavioral implications of recent sourcing and dating reserach. 

 - Washington-US :   Society for American Archaeology,   1990. 
 - p. 461-479 :   il. 
 - Trimestral 
 - Vol. 55, no, 3 (Jul 1990) 
 - American Antiquity ;   vol. 55 no. 3 .
 - Washington.   Society for American Archaeology. .
<br/><br/><br/>Inglés.