General requirements for the competence of testing and calibration laboratories (ISO/IEC 17025:2005); German and English version EN ISO/IEC 17025:2005, Corrigenda to DIN EN ISO/IEC 17025:2005-08; German and English version EN ISO/IEC 17025:2005/AC:2006— 4 стр.
Railway applications - Noise emission - Characterisation of the dynamic properties of track sections for pass by noise measurements; German version EN 15461:2008+A1:2010— 22 стр.