Khanna, Dev Raj. <br/><br/>
Ecology and pollution of Ganga river : limnological study of Haridwar /  
Dev Raj Khanna. 
 - New Delhi :   Ashish Publishing House ,   1993. 
 - 4+241p. :   ills,figs,tables ;   23cm .  
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<br/><br/><label>ISBN: </label>8170245419  Rs.400.00 
<br/><br/><label>Subjects--Index Terms: </label>WATER POLLUTION-GANGA 
<br/><br/><label>Dewey Class. No.: </label>363.739409541  / KHA/E