Masters, Gilbert M. and Ela, Wendell P. <br/><br/>
Introduction to environmental engineering and science 

 - 3rd ed. 
 - New Delhi  Phi learning  2010 
 - xii,708p. 
<br/><br/><label>ISBN: </label>9788120336919  350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Engineering
<br/><br/><label>Dewey Class. No.: </label>628  / MAS