De, Anil Kumar <br/><br/>
Environmental engineering : (for polytechnic students) 
Anil Kumar De and Arnab Kumar De 
 - New Delhi  New Age international ( P) Limited, Publishers  2009 
 - xv, 191 p. : ill. ; 26 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9788122424621 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental engineering
<br/><br/><label>Dewey Class. No.: </label>628 DE