TY - BOOK AU - Herman, Stephen L. TI - Electrician's technical reference transformers SN - 0-8273-8496-3 U1 - 621.314 PY - 1999/// CY - Albany PB - Delmar KW - Autotransformes KW - Electri transformory KW - Transformer cooling N1 - Includes index; SBD ER -