Hrebenar Ronald J <br/><br/>
Interest group politics in America 
Hrebenar Ronald J; Scott Ruth K 
 - NJ  Prentice Hall Inc.          1982 
 - xi,275p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political Sociology
<br/><br/><label>Dewey Class. No.: </label>Y9(W,5):73.N7, M2