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

 - 21st. 
 - New Delhi  Nirja Construction & Devlt. Co.(P)Ltd.  1994 
 - xxxii,1867p. 
<br/><br/><label>ISBN: </label> Rs.280/- 
<br/><br/><label>Dewey Class. No.: </label>621.31