Singh, L. P. <br/><br/>
Digital protection : protective relaying from electromechanical to microprocessor  
L.P. Singh. 
 - New York :  Wiley,  1994. 
 - xi, 231 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0470234369 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microprocessors--Power supply<br/>Protective relays.
<br/><br/><label>Dewey Class. No.: </label>621.317