Mechanical vibration - Resilient elements used in railway tracks - Part 2: Determination of static and dynamic characteristics in the track under operation— 17 стр.
German construction contract procedures - Part C: General technical specifications for building works - General rules for all kinds of building works— 15 стр.
German construction contract procedures - Part C: General technical specifications for building works - Carpentry and timber construction works— 24 стр.
Steel die forgings - Tolerances on dimensions - Part 1: Drop and vertical press forgings; German version EN 10243-1:1999, Corrigenda to DIN EN 10243-1:2000-06— 2 стр.