Wells , Spencer. <br/><br/>
Deep Ancestry: Inside the Geographic Project / 
Spencer Wells. 
 - New York:  National Geographic,  2007. 
 - 247 P. ;  5.2 x 1 x 8.1 inches 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>599.935  / WEL