Tripathi, A. K. <br/><br/>
Water pollution / 
A.K. Tripathi and S.N. Pandey. 
 - New Delhi :  Ashish Pub. House,  1990 
 - ix, 326 p. :  ill.   23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>8170242673 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algae;Algae;Water;Water;Plant indicators.;Plant indicators;Water quality bioassay.;Water quality bioassay--Effect of water pollution on.;Effect of water pollution on.;Pollution.;Pollution
<br/><br/><label>Dewey Class. No.: </label>589.35222  / TRI 1990.