1. 1) Arai, H., Watanabe, I., Motoyama, H., and Yokoyama, S., "Analytical study on lightning overvoltages of rail track and railway signalling equipment," Proc. of the 30th International Conference on Lightning Protection, No.1124, pp.1-7, Cagliari, Itary, September 13-17, 2010.
2. Experimental Study on Surge Propagation Characteristics of Rail and Lightning Overvoltages on Level Crossing
3. 3) Carson, J. R., "Wave Propagation in Overhead Wires with Ground Return," Bell. Sys. Technol., Vol.J, No.5, pp.539-554, 1926.
4. Transfer function synthesis using frequency response data
5. 5) Arai, H., Haji, M., Fujita, H., "An influence of the ground/rail potential rise due to lightning on railway signalling equipments, and its protection measures," RTRI REPORT, Vol.23, No.1, pp.23-28, 2009 (in Japanese).