1. ISO 2631-1 (1997) Mechanical vibration and shock—evaluation of human exposure to whole body vibration—part 1: general requirements. Int Organ Stand Switz
2. ISO 2631-2 (2003) Mechanical vibration and shock—evaluation of human exposure to whole body vibration—part 2: vibrations in buildings (1–80 Hz). Int Organ Stand Switz
3. ISO 2631-4 (2001) Mechanical vibration and shock—evaluation of human exposure to whole body vibration—part 4: guidelines for the evaluation of the effects of vibration and rotational motion on passenger and crew comfort in fixed guide way transport systems. Int Organ Stand Switz
4. ISO 2631-5 (2004) Mechanical vibration and shock—evaluation of human exposure to whole body vibration—part 5: method for evaluation of vibration containing multiple shocks. Int Organ Stand Switz
5. Friedmann PP (1997) A fundamental study of active vibration control in rotorcraft using the ACSR approach. In: US Army Research Office, Engineering and Environmental Science Division. Research Triangle Park, NC 27709-2211