Blackburn, J.Lewis <br/><br/>
Protective relaying /  principles and applications 
J.Lewis Blackburn, Thomas J.Domin 
 - 4th ed. 
 - Boca Raton  CRC Press  2014 
 - xxix, 665p.  ill.  24cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781439888117  RM204.35  RM429.39 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protective relays