Theraja, B.L <br/><br/>
A Text book of :Electrical Technology 

 - New Delhi  S. Chand and Company Pvt. Ltd.  2008 
 - xiv+1568p. 
<br/><br/><label>ISBN: </label>8121924375 
<br/><br/><label>Dewey Class. No.: </label>621.3 THE