Kumar, Arvind <br/><br/>
Aquatic ecosystems / 
Arvind Kumar 
 - New Delhi :  A.P.H. Publishing Corporation,  2003 
 - xi, 437 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>8176484547  RM132.61 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic ecology--India<br/>Water--Pollution--India<br/>Water quality management--India