Light and lighting - Measurement and presentation of photometric data of lamps and luminaires - Part 1: Measurement and file format; German version EN 13032-1:2004+A1:2012— 67 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Management of road safety measures at road works— 16 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Management of road safety measures at road works— 16 стр.