1. United States Patent, number 6, 196, 327. (2001).
2. Andersen T O. Active Damping of Oscillations in off-Road Vehicles. Proceedings of 8th Scandinavian Intl Conference on Fluid Power. Finland, (2003).
3. Lin Muyi,Sun Dagang.The Riding Control System of Wheel Loader.Engineering Machinery,2005,36(10):70~72, in Chinese.
4. Si Aiguo.R&D of the Riding Control System of the Wheel Loader, Beijing Science and Technology University,(2005).
5. Zou Xiaohua, Zhang Lijun, Zheng Chunjiao, .Simulation of the Vibration of Vehicle Suspension System.Liaoning Engineering College,2004,24 (2):37~40,in Chinese.