(1) S. Hase, T. Konishi, A. Okui, Y. Nakamichi, H. Nara, and T. Uemura: “Application of Electric Double-layer Capacitors for Energy Storage on Electric Railway”, T. IEE Japan, Vol. 123-D, No. 5, pp. 517-524 (2003-5) (in Japanese)
(2) T. Konishi, S. Hase, and Y. Nakamichi: “Charge and Discharge Test of Energy Storage Medium for Electric Rolling Stock Load”, 2002 National Convention Record, IEE Japan, No. 5-199, pp. 274-275 (2002-3) (in Japanese)
小西武史·長谷伸一·中道好信:「電鉄負荷を模擬した電力貯蔵媒体の充放電試験」, 平14電気学会全大, No. 5-199, pp. 274-275 (2002-3)