1. Museum of Technology, Vienna.
2. Sakai, S. and Hori, Y.New Control Techniques of Electric Vehicle – Traction Control and Motion Control. JSAE Symposium, No. 9801. Japan. pp.26–32.
3. Sato, S. and Fujimoto, H. 2007. “Proposal of Pitching Control for Electric Vehicle with In-Wheel Motor”. 65–70. Industry Instrumentation and Control Committee, IEEJ, IIC-07-81, Japan
4. Sugai, H. and Murata, S.Influence of In-Wheel-Motor to Vehicle Structure and Suspension. Proceedings of the JSAE Annual Congress, 20105173. Japan.