Johns, A. T. <br/><br/>
Digital protection for power systems / 
A. T. Johns and S. K. Salman. 
 - London :  Peter Peregrinus on behalf of The Institution of Electrical Engineers,  1995. 
 - ix, 203 p. :  ill. 
 - IEE power series ;$v15 .
<br/><br/><label>ISBN: </label>0863411959 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microprocessors--Power supply.<br/>Protective relays.