Potentials and policy implications of energy and material efficiency improvement / 
Ernst Worell, Mark Levine, Lynn Price, Nathan Martin, Richard van den Broek, Korenlis Blok 
 - New York :  United Nations ,  1997. 
 - 103 p. 
<br/><br/>Department for Policy Coordination and Sustainable Development. 
<br/><br/><label>ISBN: </label>92-1-104477-4  300.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Energy resources development programmes