Gypsum elements for suspended ceilings - Definitions, requirements and test methods; German version EN 14246:2006, Corrigenda to DIN EN 14246:2006-09; German version EN 14246:2006/AC:2007— 2 стр.
Acoustics - Field measurement of sound insulation in buildings and of building elements - Part 2: Impact sound insulation (ISO 16283-2:2020); German version EN ISO 16283-2:2020— 58 стр.