Normas ISO

Information technology -- Telecommunications and information exchange between systems -- Broadband Private Integrated Services Network -- Inter-exchange signalling protocol -- Transit counter additional network feature

Water quality -- Determination of chromium -- Atomic absorption spectrometric methods

Information technology -- Data interchange on 356 mm optical disk cartridges -- WORM, using phase change technology -- Capacity: 14,8 Gbytes and 25 Gbytes per cartridge