Viitaage, Piyadasa <br/><br/>
Geology of the country around Polonnaruwa 

 - Dehiwala  Geological survey and mines bureau   1959 
 - 75p.,12pl., ill.,  24 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology <br/>Polonnaruwa
<br/><br/><label>Universal Decimal Class. No.: </label>551  / VIT