Tharumaratnam, Vythilingam <br/><br/>
A 21st century energy source for Sri Lanka:  ground source energy systems 

 - London:  Business Marketing International,  1995 
 - 71p.; ill.; 21cm 
<br/><br/><label>ISBN: </label>0952551713 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy sources-Sri Lanka
<br/><br/><label>Dewey Class. No.: </label>333.79  / THA