1. Abdelhady MBA (2002) Aerodynamic Effects on Ride Comfort and Road Holding of Actively Suspended Vehicles. SAE 2001-01-2205, pp 1–8
2. Bendat JS, Piersol AG (2000) Random Data-Analysis and measurement procedures. John Wiley and Sons, London
3. Bendat JS (1998) Nonlinear Systems – Techniques and Applications. John Wiley and Sons, London
4. Bendat JS, Piersol AG (1980) Engineering Applications of Correlation and Spectral analysis. John Wiley and Sons, New York
5. Bunday P (1984) Basic optimisation methods. Spottiswoode Ballantyne, Colchester London