PATWARDHAN,A.D. <br/><br/>
INDUSTRIAL WASTE WATER TREATMENT 

 - NEW DELHI  PHI-Learning  2009 
 - xi+292p.,24x16Cms. 
<br/><br/><label>ISBN: </label>81-203-3350-5 
<br/><br/><label>Dewey Class. No.: </label>628.16 P322