Safety of machinery - Basic concepts, general principles for design - Part 2: Technical principles and specifications; German version EN 292-2:1991 + A1:1995— 47 стр.
Steel wire ropes - Safety - Part 4: Stranded ropes for general lifting applications; German version EN 12385-4:2002+A1:2008, Corrigendum to DIN EN 12385-4:2008-06— 2 стр.