TY - BOOK ED - Joint Apprenticeship and Training Committee TI - AC theory SN - 9781418073435 U1 - Circ. 621.381522 Al466 2008 PY - 2008/// CY - N. Y. : PB - Delmar Cengage Learning, KW - 1. Electric circuits-Alternating current. N1 - Includes index ER -