MENDIS, D. L . O. <br/><br/>
Pugwash Conferences on science and World Affairs 

 - Colombo  SriLanka Pugwash Group  2007 
 - 167p. 
<br/><br/><label>ISBN: </label>9789556470055 
<br/><br/><label>Dewey Class. No.: </label>68.5493