National Annex - Nationally determined parameters - Eurocode 2: Design of concrete structures - Part 1-1: General rules and rules for buildings, Corrigendum to DIN EN 1992-1-1/NA:2011-01— 12 стр.
Chemical disinfectants and antiseptics - Preservation of microbial strains used for the determination of bactericidal and fungicidal activity; German version EN 12353:1999— 10 стр.