Theraja,B.L <br/><br/>
A Text Book of Electrical Technology.( Vol.-III) 

 - 22nd. 
 - New Delhi  S. Chand & Company Ltd.  2002 
 - viii,291p. 
<br/><br/><label>ISBN: </label> Rs.95/- 
<br/><br/><label>Dewey Class. No.: </label>621.31