Theraja, B L & Theraja A K <br/><br/>
A Textbook of electrical technology in S I system of unit  Vol II, AC & DC machines 

 - 21st edition 
 - S Chand & Co, New Delhi  1993 
 - xi, 593-1144(iii) 
<br/><br/><label>Dewey Class. No.: </label>621.3 The/vol. II