Theraja, B.L. Theraja, A. K. <br/><br/>
Textbook of Electrical Technology Vol.II 

 - New Delhi  S. Chand & Company Ltd  2005 
 - p.1568 
<br/><br/><label>ISBN: </label>8121924375 
<br/><br/><label>Dewey Class. No.: </label>621.3 T31T