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.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Road construction - Surfacings with hydraulic binders— 21 стр.
German construction contract procedures - Part C: General technical specifications for building works - Construction works for traffic lines - top layers with hydraulic binders— 21 стр.