Electric power systems / 
B.M. Weedy. et..al. 
 - 5th ed. 
 - Croydon :  Wiley,  c2012. 
 - x, 496 pages :  illustrations ;  24 cm. 
<br/><br/> Includes bibliographical references (p. [533]-538) and index. 
<br/><br/><label>ISBN: </label>9780470682685 :  $120.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric power systems.<br/>Electric power transmission.