Trivedy, R K . <br/><br/>
Ecology and Pollution of Indian River /  Textual Documents 
R K Trivedy. 
 - 1st ed. / 
 - New Delhi :  Ashish Publishing House ,  1988. 
 - 448p. ;  22cm. 
<br/><br/><label>Subjects--Index Terms: </label>Ecology Rivers-India G-Geography 
<br/><br/><label>Dewey Class. No.: </label>910.54  / Tr 73 Ec