Duggal, K. N <br/><br/>
Elements of environmental engineering 
K.N. Duggal 
 - New Delhi  S. Chand & Co  2002 
 - xvii, 440 p 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9788121915472 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering<br/>Environmental management<br/>Environmental sciences
<br/><br/><label>Dewey Class. No.: </label>628 DUG