Basic concepts in metrology; Terminology relating to the uncertainty of measurement and the assessment of measuring instruments and measuring equipment— 14 стр.
Mechanical vibration - Resilient elements used in railway tracks - Part 2: Determination of static and dynamic characteristics in the track under operation— 13 стр.
Mechanical vibration - Resilient elements used in railway tracks - Part 2: Determination of static and dynamic characteristics in the track under operation— 17 стр.