Dahl,Robert A. <br/><br/>
Polyarchy; participation and opposition 
by Robert A. Dahl 
 - New Heaven  Yale university press  1971 
 - 257p. 
<br/><br/> biblio references. $7.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political participation<br/>Opposition (Political science)
<br/><br/><label>Dewey Class. No.: </label>B253 D137p