DE SILVA, M.A.T. <br/><br/>
UNESCO Study of an international information system relating to new and renewable sources of energy: report of a field study in Sri Lanka 
/by M.A.T. De Silva, Nimala Amarasuriya 
 - Colombo  National Science Council  1980 
 - 39 p. 
<br/><br/> Includes index. 
<br/><br/><label>Dewey Class. No.: </label>028.7   / DES