Vesilind, P. Aarne <br/><br/>
Introduction to environment engineering/ 
P. Aarne Vesilind, Susan M. Morgan, Lauren G. Heine 
 - 3rd edition 
 - USA :   Cengage Learning,  2010. 
 - 600 pages :  illustrations;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780495295853