DUGGAL KN <br/><br/>
ENVIRONMENTAL ENGINEERING 

 -  S CHAND AND COMPANY LIMITED  2004 
 - 504+5 
<br/><br/><label>ISBN: </label>8121915473 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MECHANICAL GENERAL 
<br/><br/><label>Dewey Class. No.: </label>628  / DUG