Enviroment and policy 
edited by William R. Ewald 
 - London  Indiana university press  1968 
 - xiv, 459p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> [] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental problems<br/>Political science
<br/><br/><label>Dewey Class. No.: </label>363.7  / ENV