1. Maglev Vehicle/Guideway Vertical Random Response and Ride Quality
2. Han, H. S., Lee, J. M., Sung, H. K., Kim, B. H. and Kim, K. J. Multibody Dynamics 2007 Proceedings. Milan, Italy. Dynamic modeling of a magnetically levitated vehicle running over a flexible guideway, pp.46–47.
3. Sung, H. K., Jung, B. S., Cho, J. M., Jang, S. M., Lee, J. M. and Cho, H. J. Proceedings of the KIEE Summer Conference. Busan, Korea. Magnetic levitation control using DSP TMS320LF2407, pp.1340–1342.