Singh, L.P. <br/><br/>
Digital protection  protective relaying from electromechanical to microprocessor 

 - 2nd ed. 
 - New Delhi  New age international  1997 
 - xiii,272p. 
<br/><br/><label>ISBN: </label>8122410537 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer security<br/>Data security
<br/><br/><label>Dewey Class. No.: </label>005.8  / SIN