TY - BOOK AU - Duff,John R. AU - Herman,Stephen L. TI - Alternating current fundamentals SN - 0827322399 AV - TK1141 .D83 1986 U1 - 621.31913 19 PY - 1986/// CY - Albany, N.Y. PB - Delmar Publishers KW - Electric currents, Alternating KW - Electrical engineering N1 - Includes index ER -