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.
Liquid-applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, evaluation of conformity, classification and designation; German version EN 14891:2012 + AC:2012— 36 стр.
Liquid applied water impermeable products for use beneath ceramic tiling bonded with adhesives - Requirements, test methods, assessment and verification of constancy of performance, classification and marking; German version EN 14891:2017— 38 стр.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Road construction - Surfacings with hydraulic binders— 21 стр.