P.G.Cooray <br/><br/>
Geology of the country arround  Rangala 

 - Colombo<br/>  Geological survey  1961 
 - 138, ref,ill,tables 
 - Geological survey & Mines bureau memoir no :2 .
<br/><br/><label>ISBN: </label>9559323040 
<br/><br/><label>Dewey Class. No.: </label>551.7009  /  CO