Wright, T. Richard. <br/><br/>
Environmental Science:  Toward a Sustainable Future/  English  
Wright, T. Richard. 
 - New Delhi:  Prentice Hall of India,   2004. 
 - 669p:  35cm. : 
<br/><br/><label>ISBN: </label>812032157X 
<br/><br/><label>Dewey Class. No.: </label>551.588  / WRI