Challenges and strategies for sustainable energy, efficiency and environment 
Onkar Singh; J P Pandey; D S Chauhan 
 - New Delhi :   New Age International,   2006. 
 - 	xi, 519 pages : illustrations ;   25 cm 
<br/><br/><label>ISBN: </label>8122419100 
<br/><br/><label>Dewey Class. No.: </label>333.79150954