THARUMARATNAM, Vythilingam <br/><br/>
	An introduction to a 21st century energy source for Sri Lanka: ground source energy systems / 
[by] Vythilingam Tharumaratnam 
 - London  Business Marketing International  1995 
 - 71 p. 
<br/><br/> Includes references. 
<br/><br/><label>ISBN: </label>952551713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural resources
<br/><br/><label>Dewey Class. No.: </label>333.8  / THA