Cooperation and competition in humans and animals 
edited by Colman, Andrew 
 - London:  VNR,  1982. 
 -  xi,300p. 
<br/><br/> Includes index 
<br/><br/><br/>eng 
<br/><br/><label>ISBN: </label>0442305214 
<br/><br/><label>Dewey Class. No.: </label>302.4  / COO