K. N. Duggal <br/><br/>
Elements of Enviromental Engineering 
by K. N. Duggal 
 - New Delhi  S. Chand & Co  1998 
 - 496 
<br/><br/><label>ISBN: </label>8121915473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry
<br/><br/><label>Dewey Class. No.: </label>105.23  / Dugg