Kothari, D.P. <br/><br/>
Modern Power System Analysis 
D.P. Kothari, I J Nagrath 
 - 3rd.ed. 
 - New Delhi  Tata McGraw-Hill  2003 
 - xiv, 694p.  diagram  23cm. 
<br/><br/> includes index :p. 685 - 694 
<br/><br/><label>ISBN: </label>0070494894 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems