Blackburn, Lewis. J <br/><br/>
Protective Relaying; Principles and Applications 

 - 3 
 - Florida  CRC Press  2007 
 - 633 
<br/><br/><label>ISBN: </label>1-57444-716-5 
<br/><br/><label>Universal Decimal Class. No.: </label>621.316.925  / BLA.07