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.
Petroleum products - Determination and application of precision data in relation to methods of test (ISO 4259:1992 + Cor 1:1993); German version EN ISO 4259:1995— 40 стр.