How humans evolved / 
by Robert Boyd, Joan B. Silk 
 - 2nd ed.- 
 - New York:  W. W. Norton & Company,  2000. 
 - xxiii, (652, A24,I-16 p.) :  ill.(some col.) ;  28 cm.  +1 CD-ROM 
<br/><br/><label>ISBN: </label>0393974774 
<br/><br/><label>LC Class. No.: </label>GN281   /  .B66 2000