DIN 70010 System of road vehicles - Vocabulary of power-driven vehicles, combinations of vehicles and towed vehicles
DIN EN 10089 Hot rolled steels for quenched and tempered springs - Technical delivery conditions; German version EN 10089:2002
DIN EN 10092-1 Hot rolled spring steel flat bars - Part 1: Flat bars - Dimensions and tolerances on shape and dimensions; German version EN 10092-1:2003