1. Li Fu-yi, “Hydraulic technology and hydraulic servo system,” Harbin Engineering University Press, Harbin, 1992 .
2. B.M. Eikhoff, J.R. Evans. “A Review of Modeling Methods for Railway Vehicle Suspension Components”, Vehicle System Dynamist, 1995, Vol24 (3):pp.469-496.
3. Wang Xing-yu, Su Jian, “Modeling and Analysis of Hydraulic Pressure Servo for Railway Vehicles Bogie Test Bench”, Chinese Hydraulics and Pneumatics, 2009 (6),pp.8-11.
4. Li Zi-guang, You Zhang-ping, “Study on dynamical simulation of hydraulic servo system based on Simulink”, Chinese Jounal of Construction Machinery, Vol.2, No.1, Jan.2004,pp.30-34.