Staub Ervin <br/><br/>
Roots of evil: the origins of genocide and other group violence 

 - Cambridge  Cambridge University Press          1989 
 - 336 p..  Includes bibliographical references and index 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology