Singh, Palwinder <br/><br/>
Changing Pattern of Energy Use 
/by Palwinder Singh 
 - New Delhi:  Anmol Publication,  1992. 
 - 343p. 
<br/><br/><label>ISBN: </label>8170416280 
<br/><br/><label>Dewey Class. No.: </label>333.79  / SIN/C