Blackburn, J. Lewis <br/><br/>
Protective relaying :  principles and applications / 
J. Lewis Blackburn, Thomas J. Domin 
 - 4th ed. 
 - Boca Raton :  CRC Press, Taylor & Francis Group,  2014 
 - xxix, 665 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439888117 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protective relays