Environmental testing - Part 2-30: Tests - Test Db: Damp heat, cyclic (12 h + 12 h cycle) (IEC 60068-2-30:2005); German version EN 60068-2-30:2005— 15 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.