Herman, Stephen L. Industrial motor control / Industrial motor control [computer file] Stephen L. Herman - 6th ed. - New York : Delmar Cengage Learning, c2010 - xiii, 552 p. : ill. (some col.) ; 29 cm. + 1 computer disc Includes index ISBN: 9781435442399 1435442393 Subjects--Topical Terms: Electric controllersElectric motors