Lehr Jay H. <br/><br/>
Rational Readings on Environmental  Concerns.; 
Jay H.Lehr. 
 - New York.  Van Nostrand Reinhold  c1992 
 - 841P 
<br/><br/><label>ISBN: </label>0442011466 
<br/><br/><label>Dewey Class. No.: </label>363.4