Ziegler, Gerhard,   1939- <br/><br/>
Numerical distance protection :  principles and application /  [Book]. 
Gerhard Ziegler ; [editor, Siemens AG].  
 - 2nd ed. 
 - Munich :   Publicis Corporate Pub.,   2006 
 - 378 p. :   ill. ;   26 cm. 
<br/><br/><label>ISBN: </label>3895782661 
<br/><br/><label>LCCN: </label>2006272489 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems--Protection.<br/>Protective relays.