1. Vijay K. Garg and Rao V. Dukkipati, Dynamics of Railway Vehicle Systems, Academic Press, New York (1984), pp. 1–102.
2. Hu JinYa and Zeng SanYuan, Modern Random Vibration [in Chinese], Railway Book Company of China, Beijing (1989), pp. 38–114.
3. Zhu Weiqiu, Random Vibration [in Chinese], Science Press, Beijing (1998), pp. 21–69.
4. Running Analyses in ADAMS/Rail (2002), pp. 38–39.
5. S. H. Crandall and W. D. Mark, Random Vibration in Mechanical Systems, Academic Press, New York (1963).