Zahn-Waxler Carolyn Ed. <br/><br/>
Altruism and aggression   Biological and social origins 

 - London  Cambridge          1986 
 - 337p.  cm. 
<br/><br/><label>Standard No.: </label>62189 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:524, M6