Bollen, Math H. J. <br/><br/>
Understanding power quality problems :  voltage sags and interruptions 

 - New Delhi:  Wiley India Pvt. Ltd,  2016. 
 - xv, 541 p. 
 - IEEE Press series on power engineering .
<br/><br/><label>ISBN: </label>9788126530397 
<br/><br/><label>Dewey Class. No.: </label>621.319 BOL