PUROHIT, S.K.          <br/><br/>
Chemical and biological methods of water and air pollution control :  
a practical hygiene manual.   S.K. Purohit       
 - ed  
 - India   Agro Botanical.   1985 
 - vi, 56pg.    
<br/><br/>Includes index and bibliography. 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water - Pollution  Water and Air Pollution 
<br/><br/><label>Dewey Class. No.: </label>628.168/PUC