Wright, R <br/><br/>
Environmental science-10th ed 

 - 10th edition. 
 - New Delhi  :  Perason Education,  2009. 
 - 704 
<br/><br/><label>ISBN: </label>978-81-317-2323-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civil Engineering 
<br/><br/><label>Dewey Class. No.: </label>628  / WRI