Environmental pollutions : water 

 - New Delhi  Venus Pub.  1992 
 - 359 p. 
<br/><br/><label>ISBN: </label>8172380046 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water - Pollution
<br/><br/><label>Dewey Class. No.: </label>363.7394 ENV