THERAJA,BL THERAJA,AK <br/><br/>
A Textbook of Electrical Technology  Vol 3 

 -  S.Chand  and  Company  PVT.LTD New  Delhi,  2012 
 - 1570-2016 
<br/><br/><label>ISBN: </label>81-219-2490-1 
<br/><br/><label>Dewey Class. No.: </label>621.3  / THE/A