Steveson, Christopher M. <br/><br/>
High precision me asurement of obsidian hydration layers on arifacts from the hopewell site using secondary ion mass spectrometry. 

 - Washington-US :   Society for American Archaeology,   2004. 
 - p. 555-582 :   il. 
 - Trimestral 
 - Vol. 69, no, 3 (Jul 2004) 
 - American Antiquity ;   vol. 69 no. 3 .
 - Washington.   Society for American Archaeology. .
<br/><br/><br/>Inglés.