Wright, Richard T. <br/><br/>
Environmental science   [Book] 
Richard T. Wright. 
 - 9th Ed. 
 -  Pearson Education India 
 -  1 CD ROM 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>8131712664 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Science
<br/><br/><label>Dewey Class. No.: </label>333.7