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

 - 1st. 
 - New Delhi  S.Chand  2007 
 - xiv,868p. 
<br/><br/><label>ISBN: </label> Rs.390/- 
<br/><br/><label>Dewey Class. No.: </label>621.31