Ram, Badri <br/><br/>
Power system protection and switchgear 

 - New Delhi  Tata McGraw-Hill  1997 
 - ix, 456 p. 
<br/><br/><label>ISBN: </label>0-07-462350-8 
<br/><br/><label>Dewey Class. No.: </label>SC/ST D66,125 N5