Rao, T <br/><br/>
Digital numerical relays 

 - New Delhi :  Tata Mcgraw-Hill Publication,  2005. 
 - xii,227 
<br/><br/><label>ISBN: </label>0-07-058855-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical Electronics Communication,
<br/><br/><label>Dewey Class. No.: </label>621.317  / RAO