Singh, L. P. <br/><br/>
Digital protection :  protective relaying from electromechanical to microprocessor / 
L. P. Singh 
 - 2nd ed. 
 - Calcutta :  New Age International,  1997 
 - xiii, 272 p. :  ill. ;  25 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>8122410537 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microprocessors--Power supply<br/>Protective relays
<br/><br/><label>Dewey Class. No.: </label>621.9