TY - BOOK AU - Nessler, Herbert AU - Nessler, HerbertStadelmeier, Friedr TI - Constructional features and operating characteristics of transformers SN - 8122403603 AV - 621.31 NES 1990 U1 - 621.31 NES 1990 PY - 1990/// CY - New Delhi PB - Siemens Aktiengesellschaft KW - Electronic Engineering ER -