Ziegler, Gerhard. , <br/><br/>
Numerical distance protection :  principles and applications / 
Gerhard Ziegler. 
 - 3rd ed. 
 - 406 pages :  illustrations ;  25 cm. 
<br/><br/><label>ISBN: </label>9783895783180 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems --Protection.<br/>Protective relays.
<br/><br/><label>LC Class. No.: </label>TK2861   / .Z43 2008