Kothari, D P & Nagrath, I J <br/><br/>
Electric machines 4th ed 

 - McGraw hill education (India) pvt.  New Delhi  2014 
 - xviii,914 
<br/><br/>
<br/><br/><br/>E 
<br/><br/><label>Universal Decimal Class. No.: </label>621.31042 Kot/Nag