MASON, C. Russell <br/><br/>
The Art and Science of Protective Relaying 

 - New Delhi  H.S. Poplai for wiley eastern  ltd.      1992 
 - xiv, 410 P 
<br/><br/><label>ISBN: </label>0-85226-556-5 
<br/><br/><label>Dewey Class. No.: </label>621.317