Singh, L <br/><br/>
Digital protection 2nd ed. 

 - 2nd edition 
 - New Delhi  :  New Age Int Pub,  2012. 
 - 272 
<br/><br/><label>ISBN: </label>978-81-224-1053-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.317  / SIN