WATER QUALITY statistics of India 1988 and 1989 

 - New  Delhi Central Pollution Control Board     1990 
 - 257p  cm. 
 - Monitoring of Indian National Aquatic Resources Series: MINARS/5/1990-91 .
<br/><br/><label>Standard No.: </label>191892 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"X9(D2).2.M89<-M88, GD"