Non-destructive testing - Leak test - Guide to the selection of instrumentation for the measurement of gas leakage; German version EN 13625:2001— 20 стр.
Non-destructive testing - X-ray diffraction from polycristalline and amorphous material - Part 1: General principles; German version EN 13925-1:2003— 15 стр.
Non-destructive testing - X-ray diffraction from polycrystalline and amorphous materials - Part 3: Instruments; German version EN 13925-3:2005— 43 стр.