Subrahmanyam, Vedam. <br/><br/>
Electric drives: concepts and applications 

 - New Delhi :  Mcgraw Hill Book Company,  2000 
 - 730. 
<br/><br/><label>ISBN: </label>0070701997  
<br/><br/><label>Dewey Class. No.: </label>621.31042  / SUB