Polsby, Nelson W. <br/><br/>
Political innovation in America :  the politics of policy initiation / 
Nelson W. Polsby. 
 - New Haven and London :  Yale University Press,  c1984. 
 - xiv, 185 p. ; 
<br/><br/><label>ISBN: </label>SSCE1246 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diffusion of innovations
<br/><br/><label>Dewey Class. No.: </label>320.973  / Po