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.
Earth-moving machinery, and tractors and machinery for agriculture and forestry; seat index point (ISO 5353:1978, A1:1981, A2:1984); german version EN 25353:1988— 9 стр.