TY - BOOK AU - Herman,Stephen L. TI - Understanding motor controls SN - 9781305498129 AV - TK2511 .H47 2017 U1 - 621.46 Third Edition. PY - 2017///] CY - Boston, MA, USA PB - Cengage Learning KW - Electric motors KW - Telecommunication wiring KW - Electric controllers KW - Telecommunication cables N1 - Includes index ER -