Bamforth, Douglas. <br/><br/>
American Antiquity ;   vol. 72 no. 2 

 - Washington-US :   Society for American Archaeology,   2007. 
 - p. 382-390 :   il. 
 - Trimestral 
 - Vol. 72, no, 2 (Apr 2007) 
 - American Antiquity ;   vol. 72 no. 2 .
 - Washington.   Society for American Archaeology. .