Fernando, C.H <br/><br/>
The freshwater fauna and fisheries of Sri Lanka 

 - Colombo  Natural Resorces Energy and Science Authority  1990 
 - iii,444 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Universal Decimal Class. No.: </label>639.21(548.7)  / FER