1. Bombardier. Flexx tronic technology. 2008. http://www.bombardier.com/content/dam/Websites/bombardiercom/supporting-documents/BT/Bombardier-Transportation-ECO4-FLEXX_Tronic-EN.pdf [accessed 09-September-2016].
2. The long road to solution of the railway hunting and curving problems;Gilchrist;Proc Inst Mech Eng,1998
3. Technologies and control strategies for active railway suspension actuators, Ph.D. thesis;Yusof,2013
4. Active suspension technology and its effect upon vehicle-track interaction;Goodall,2003
5. Recent development in active steering of railway vehicles;Mei;Veh Syst Dyn,2003