Umans, Stephen D. <br/><br/>
Fitzgerald & Kingsley's electric machinery / 
Stephen D. Umans. 
 - 7th ed. 
 - New York :  McGraw-Hill Companies,  c2014. 
 - xiii, 706 p. : 
<br/><br/> Revised ed. of: Electric machinery /  A.E. Fitzgerald, Charles Kingsley, Jr., Stephen D. Umans, 6th ed., 2003. 
<br/><br/><label>ISBN: </label>9780073380469 (hbk.) 
<br/><br/><label>Dewey Class. No.: </label>621  / UMA