The Ecological conscience :  values for survival / 
edited by Robert Disch 
 - Englewood Cliffs, N. J. :  Prentice-Hall,  1970 
 - xv, 206 p. ;  21 cm. 
<br/><br/><label>ISBN: </label>0132228289 
<br/><br/><label>LCCN: </label>71-130009 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental policy--United States