Power system protection :  digital protection and signalling Vol. 4 / 
by Electricity Training Association 
 - New Delhi :  Shankar's Book Agency Pvt. Ltd,  2010. 
 - xii, 124 p. :  ill. ;  24 cm. 
<br/><br/><label>ISBN: </label>9788190858847 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems -- Protection -- Great Britain.<br/>Electric power transmission -- Great Britain -- Equipment and supplies.
<br/><br/><label>Dewey Class. No.: </label>621.31921  / ELE/P