Warrington, A.R.Van C. <br/><br/>
Protective relays 

 - 2nd ed. 
 -  ; Chapman & Hall  , 1968 
 - xv,484p.  , V.1 
<br/><br/><label>ISBN: </label> 63 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric Power Systems<br/>Electrical Engineering<br/>Engineering
<br/><br/><label>Dewey Class. No.: </label>621.31  / WAR