Deswal, S.S.; <br/><br/>
Environmental engineering 

 - Delhi  Dhanpat Rai 
 - 288p. 
<br/><br/><label>ISBN: </label> 140 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical Engineering 
<br/><br/><label>Dewey Class. No.: </label>628 DES S