Gruhn, Ruth. <br/><br/>
On the Settlement of the Americas :   south American Evidence for an Expanded time frame. 

 - Chicago-US :   Department of Human Sciences,   1987. 
 - p. 363-365 
 - Trimestral 
 - Vol.28, no. 3 (Jun. 1987) 
 - Current Anthropolgy ;   vol. 28, no. 3 .
 - Estados Unidos.   The University of Chicago Press. .
<br/><br/> Artículo dentro de: Discussion and Criticism'. 
<br/><br/><br/>Inglés.