Non-destructive testing - Ultrasonic examination - Part 6: Time-of-flight diffraction technique as a method for detection and sizing of discontinuities; German version EN 583-6:2008— 26 стр.
Bitumen and bituminous binders - Bituminous emulsions, fluxed and cut-back bitumen factory production control; German version EN 14733:2005+A1:2010— 24 стр.