Johns, Allan T. <br/><br/>
Digital protection for power systems / 
Allan T. Johns and Salman K. Salman 
 - London :  Institution of Electrical Engineers,  1995 
 - ix, 203 p. :  ill. ;  24 cm. 
 - IEE Power Series ;  15 .
<br/><br/>Includes bibliographical refrences and index 
<br/><br/><label>ISBN: </label>086341303X  RM188.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Protection<br/>Computer-aided engineering