Boyd, Robert  <br/><br/>
how humans evolved  

 - new york :  w.w.norton & company ,  1997 
 - 416 p. :  ill ;  27.5 cm 
<br/><br/><label>ISBN: </label>9780393912272 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals
<br/><br/><label>Dewey Class. No.: </label>599  / BOY