Modak, N. V. <br/><br/>
Sewage and waste water treatment / 
N. V. Modak 
 - Bombay :  Somaiya Pub.,  c1971 
 - xii, 534 p. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> Rs. 50.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sewage--Purification
<br/><br/><label>Dewey Class. No.: </label>628.3