Nelson, Fred W, <br/><br/>
Trace element analysis of obsidian artifacts from El Mirador, Guatemala 

 - 13 páginas 
 - Notes of the New World Archaeological Foundation  3 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Excavaciones arqueologicas<br/>Mayas<br/>Objetos de obsidiana
<br/><br/><label>Subjects--Geographic Terms: </label><br/>El Mirador (Guatemala)