Hibbs, Douglas A. <br/><br/>
Mass political violence :  a cross national causal analysis / 
by Douglas A Hibbs. 
 - New York :  John willey & sons,  1973. 
<br/><br/><label>ISBN: </label>0471386006 
<br/><br/><label>Dewey Class. No.: </label>301.633  / HIB.M