National geographic Vol. 202, no.2 August 2002 The first pioneer: A new find shakes the human family tree 

 - Washington, D.C.  National Geographic Society.  [date of publication not identified] 
 - v.  26cm 
<br/><br/> monthly 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography -- Periodicals.