Blackburn, J. Lewis. <br/><br/>
Protective relaying :  principles and applications / 
J. Lewis Blackburn, Thomas J. Domin. 
 - 3rd ed. 
 - Boca Raton, FL :  CRC Press,  c2007 
 - 633 p. :  ill. ;  24 cm. 
 - Power engineering ;  30 .
 - Power engineering ;  30 .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>1574447165 9781574447163 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protective relays