1. Civil helicopter market forecast 2014–2024. Available at: 〈http://itbusinessnet.com〉.
2. M. Robins, Vibration identification and minimization, Aviation Today, 2010. Available at: 〈http://www.aviationtoday.com〉
3. Helicopter Ch-47 failure. Available at: 〈http://youtube.com〉.
4. ISO 2631 – Evaluation of Human Exposure to Whole-body Vibration.
5. RTCA/D0-160D − Environmental Conditions and Test Procedures for Airborne Equipment.