Boyd,Robert, <br/><br/>
How Humans Evolved  Textual Documents 
Robert Boyd,Joan B.Silk 
 - 4th ed. 
 - Los Angeles:  University of California. 
 - 485p. 
<br/><br/><label>ISBN: </label>0 393 92628 1 
<br/><br/><label>Subjects--Index Terms: </label>Zoology Dept-Anthropology 
<br/><br/><label>Dewey Class. No.: </label>599.938