TY - BOOK AU - Herman, Stephen L AU - Duff, John R. TI - Alternating current fundamentals SN - 9781111125271 U1 - 621.31913 HER 2011 PY - 2011/// CY - Clifton Park, NY PB - Delmar Cengage Learning KW - Electric currents, Alternating KW - Textbooks KW - Electrical engineering N1 - Includes index ER -