Water quality statistics of India, 1990 
by Central Pollution Control Board 
 - Delhi  Central Pollution Control Board  1991 
 - 266p. 
 - Monitoring of Indian National Aquatic Resources Series: Minras/7/1991-92 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water quality - India
<br/><br/><label>Dewey Class. No.: </label>O91x54 W291