Nagrath, I.J. <br/><br/>
Electric machine 
I.J. Nagrath, D.P. Kothari. 
 - 2nd  ed. 
 - New Delhi  Tata McGrawHill Publications  2000 
 - xxii, 778p.: ill.; 23cm. 
<br/><br/><label>ISBN: </label>0-07-463285-x. 
<br/><br/><label>Dewey Class. No.: </label>621.31042  / N13E