Khanna, Raj Dev <br/><br/>
Ecology and pollution of Ganga River:   A limnological study at hardwar  

 - New Delhi:   Ashish Publishing House,   1993 
 - 241p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology 
<br/><br/><label>Subjects--Index Terms: </label>Pollution  River  
<br/><br/><label>Universal Decimal Class. No.: </label>574(282.53.21)  / N3