Herman, Stephen L. Understanding motor controls Stephen L. Herman. - 2nd ed. - Clifton Park, NY Delmar, Cengage Learning c2013. - xii, 621 p. col. ill. 29 cm. Includes index. ISBN: 111113541X 9781111135416 Subjects--Topical Terms: Electric motors. LC Class. No.: TK2511 / .H47 2013