Elgerd, Olle I. <br/><br/>
Electric Energy systems theory: an introduction / 
Olle I.Elgerd. 
 - 2nd ed. 
 - New Delhi:  Tata McGraw Hill,  2003. 
 - xviii,533p;25cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>007099286X 
<br/><br/><label>Dewey Class. No.: </label>621.31 ELG