Trends in a global energy efficiency 2011, an analysis of industry and utilities 

 - Zurich:  ABB,  2011 
 - 156 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMIA DE LA ENERGIA<br/>EFICIENCIA ENERGETICA
<br/><br/><label>Universal Decimal Class. No.: </label>620.9 T722