WRIGHT, Richard T. <br/><br/>
Environmental Science : Toward A Sustainable Future 

 - 8th ed. 
 - New Delhi  Prentice-Hall of India Pvt Lt  d          2002 
 - xxii, 682p 
<br/><br/><label>ISBN: </label>81-203-2157-x 
<br/><br/><label>Dewey Class. No.: </label>363.7