Fitzgerald, A.E. Kingsley, Charles , Jr. Umans, Stephen D. Electric machinery /by A.E. Fitzgerald, Charles Kingsley, Stephen D. Umans - 6th ed. - New Delhi McGraw Hill Education 2015 - xv, 688 p. Includes appendix, index ISBN: 9780070530393 Dewey Class. No.: 621.313 / FIT