Elgerd, Olle Ingemar,  1925- <br/><br/>
Electric energy systems theory :  an introduction / 
by Olle I. Elgerd 
 - New York :  McGraw-Hill Book,  1971 
 - xx, 564 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering