Johns, A. T. <br/><br/>
Digital protection for power systems / 
A. T. Johns and S. K. Salman 
 - New Delhi:  Shankar Book Agency,  2012 
 - ix, 203 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9789381893012  Rs. [n.p.] 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Protection<br/>Protective relays
<br/><br/><label>Dewey Class. No.: </label>621.317