Whitley, David S. <br/><br/>
New perspectives on the clovis vs. pre-clovis controversy. 

 - Washington-US :   Society for American Archaeology,   1993. 
 - p. 626-647 :   il. 
 - Trimestral 
 - Vol. 58, no, 4 (Oct 1993) 
 - American Antiquity ;   vol. 58 no. 4 .
 - Washington.   Society for American Archaeology. .
<br/><br/><br/>Inglés.