Nagpal, R.D.  <br/><br/>
Vidyut urja upayog (vol-II ) / 
R.D.Nagpal 
 - New Delhi :  Standard publishers and distributors ,   2016. 
 - 670 p. ;  22 cm.  
<br/><br/><label>ISBN: </label>9788180141577 
<br/><br/><label>Dewey Class. No.: </label>621.3  / NAD/V