Human Ancestors : With Intro. By Glynn Isaac And Richard E.F. Leakey 

 - San Francisco  W.H. Freeman & Co.  1979 
 - vi, 130p. 
 - READINGS FROM SCIENTIFIC AMERICIAN .
<br/><br/><label>Subjects--Topical Terms: </label><br/>G:66xz7
<br/><br/><label>Dewey Class. No.: </label>G:66xz7  / K9