Van.A.R. & Warrington.C. <br/><br/>
Protective Relays : Their Theory &Practice Vol-2. 

 - 3rd Ed. 
 -  CH  1985 
 - XIII, 434p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELEC
<br/><br/><label>Index Terms--Genre/Form: </label><br/>D-14
<br/><br/><label>Dewey Class. No.: </label>621.319  / VAN