Cooray, P.G. <br/><br/>
අප අවට මිහිතලය (Apa Awata Mihithalaya) 

 - Colombo 10  S. Godage & Brothers (Pvt) Ltd.  2003 
 - 328p 
 - Earth Science Almosphere Sri Lanka Ozone Layer Monsoon Winds Clouds Cyclones ClimaticZones Maritime Zones Mineral Deposits Lithosphere Water Cycle Soil 
<br/><br/><label>ISBN: </label>955-20-6817-6 
<br/><br/><label>Nat. Bib. No.: </label>6502 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>551.1(548.7)Coo 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Earth Sciences
<br/><br/><label>Universal Decimal Class. No.: </label>551.1(548.7)