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

 - Colombo<br/>  Geological survey  1965 
 - 111, ill 
<br/><br/><label>ISBN: </label>9559323059 
<br/><br/><label>Dewey Class. No.: </label>551.7009  / COO