Public transport passenger information - Part 1: Information for the sale of tickets - Basis for formation and layout of information displays and operating systems— 7 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.