TY - BOOK AU - Gumhalter,Hans TI - Power supply systems in communications engineering SN - 047190290X U1 - 621.38 19 PY - 1984/// CY - [Munich], [New York] PB - Siemens Aktiengesellschaft, J. Wiley KW - Telecommunication systems KW - Power supply N1 - Translation of: Stromversorgungssysteme der Kommunikationstechnik; Includes indexes; Bibliography: v. 1, p. 221-223; v. 2, p. 365-267; pt. 1. Principles -- pt. 2. Equipment engineering and planning instructions ER -