Harnessing variable renewables :  a guide to the balancing challenge / 
International Energy Agency 
 - Paris :  OECD/IEA,  2011 
 - 228 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>9789264111387  RM 424.27 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Renewable energy sources<br/>Electric power production