Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz. General requirements, frequency bands and electromagnetic disturbances— 30 стр.
Information technology. Open systems interconnection. Conformance testing methodology and framework. The Tree and tabular combined notation (TTCN)— 280 стр.
Open data communication in building automation, controls and building management - Home and building electronic system - Part 1: Product and system requirements; German version EN 13321-1:2006— 11 стр.