DIN 53442:1990 Flexural fatique testing of plastics using flat specimens
DIN EN ISO 6721-3:1996 Plastics - Determination of dynamic mechanical properties - Part 3: Flexural vibration; resonance-curve (ISO 6721-3:1994, including Technical Corrigendum 1:1995); German version EN ISO 6721-3:1996
DVS 2902-4-2001 Basic knowledge, preparation and implementation of resistance spot welding of steel up to 3 mm thick