Karna S.K <br/><br/>
IES Electrical Engineering 

 - 2nd 
 - New Delhi  CBS Publishers & Distributors  2013 
 - 25p. 
<br/><br/><label>ISBN: </label>9788123923178 
<br/><br/><label>Dewey Class. No.: </label>621.3  / Kar-I