Thomas, David Hurst. <br/><br/>
A retrospective look at columbian consequences. 

 - Washington-US :   Society for American Archaeology,   1992. 
 - p. 613-616 :   il. 
 - Trimestral 
 - Vol. 57, no, 4 (Oct 1992) 
 - American Antiquity ;   vol. 57 no. 4 .
 - Washington.   Society for American Archaeology. .
<br/><br/><br/>Inglés.