Blackburn, J. Lewis. <br/><br/>
Protective relaying :  principles and applocations / 
J. Lewis Blackburn. 
 - New York, N.Y. :  Marcel Dekker,  1987. 
 - xiii, 545 p. : ill. 
<br/><br/><label>ISBN: </label>0824774450 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protective relays.