Tripathi, A. K.  1959- <br/><br/>
Water pollution / 
A. K. Tripathi and S. N. Pandey 
 - New Delhi :  Ashish Publishing House,  1990 
 - 326 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>8170242673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algae--Effect of water pollution on<br/>Algae--Effect of water pollution on--India<br/>Water--Pollution<br/>Water--Pollution--India