Aluminium and aluminium alloys - Chemical composition and form of wrought products - Part 3: Chemical composition and form of products; German version EN 573-3:2009— 32 стр.
Glass in building - Design and construction rules - Part 6: Additional requirements for walk-on glazing in case of maintenance procedures and for fall-through glazing— 15 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Metal construction works— 23 стр.