National wetland directory of Sri Lanka 

 - Colombo  IUCN  2006 
 - viii, 342p.  31cm. 
<br/><br/><label>ISBN: </label>9558177547 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOMORPHOLOGY
<br/><br/><label>Dewey Class. No.: </label>354.34025  / NAT