TY - BOOK AU - Loper,Orla E AU - Tedsen,Edgar TI - Direct current fundamentals SN - 0827341466 AV - TK 1111 L66D 1991 PY - 1991/// CY - New York PB - Delmar Publishers , Inc. KW - ELECTRIC ENGINEERING KW - Electric currents, Direct N1 - Includes index ER -