Central board for the prevention and control of water pollut <br/><br/>
Water pollution control an overview 

 - New Delhi  Central board for the prevention and control of water pollut  1983 
 - 29 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water
<br/><br/><label>Dewey Class. No.: </label>556:614.77 N82