Santhanam, R. <br/><br/>
A manual of freshwater ecology :  an aspect of fishery environment  / 
by R. Santhanam, P Velayutham, G Jegatheesan 
 - New Delhi :  India ,  c1989 
 - 134p. :  ill. ;  22 cm. 
<br/><br/> Inciudes index 
<br/><br/><label>ISBN: </label>8170350549 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Freshwater ecology. 
<br/><br/><label>Dewey Class. No.: </label>577.6  / SAM 1989