Department of Fisheries Colombo,Ceylon   <br/><br/>
Fresh waters: Physical features, Indigenous fauna, Exotic species 

 - Colombo 15 :  NARA,  1958 
 - P.04-05 
 - Bulletin of the Fisheries Research Station Sri Lanka (Ceylon)  ; Vol.08  .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aquatic Sciences