Davis; Mackenzie L <br/><br/>
Introduction to environmental engineering / 
Davis; Mackenzie L. 
 - New Delhi:  Mc Graw Hill,  2010. 
 - 25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070671176 
<br/><br/><label>Dewey Class. No.: </label>628 DAV