Nath , Jayanta Bishnu  . <br/><br/>
A Study on the ecology of the Delhi segment of Yamuna river, India /  
researched by Jayanta Bishnu Nath; guided by Bidhan Chandra Patra and Asit Chakraborty. 
 - Midnapore :   Vidyasagar University ,   2012. 
 - 128p. :   figs(col.),tables ;   28cm 
<br/><br/> Document represent Ph.d Thesis 
<br/><br/><label>Subjects--Index Terms: </label>ECOLOGY AQUATIC ECOLOGY 
<br/><br/><label>Dewey Class. No.: </label>577.60954  / NAT/S