1. (1) N. Takamura, N. Araoka, S. Kamohara, Y. Hino, T. Beppu, and M. Hanai : “Characteristics of Negative Lightning Impulse Breakdown Voltage in Pure Water”, IEEJ Trans. FM, Vol. 138, No. 8, pp. 441-448 (2018) (in Japanese)
2. 高村紀充・荒岡信隆・蒲原聖也・日野雄太・別府拓哉・花井正広:「純水の負極性雷インパルス絶縁破壊電圧特性」, 電学論A, Vol. 138, No. 8, pp. 441-448 (2018)
3. (2) N. Takamura, N. Araoka, Y. Hino, T. Otsubo, and M. Hanai : “Influence on the Resistivity and on the Lightning Impulse Breakdown Voltage of Pure Water using Coated Spherical Electrode with Diamond-like Carbon”, IEEJ Trans. FM, Vol. 139, No. 6, pp. 301-306 (2019) (in Japanese)
4. 高村紀充・荒岡信隆・日野雄太・大坪拓矢・花井正広:「ダイヤモンド状炭素皮膜球電極の使用による純水の抵抗率と雷インパルス絶縁破壊電圧への影響」, 電学論A, Vol. 139, No. 6, pp. 301-306 (2019)
5. (3) S. Hosomi, M. Hanai, N. Hayakawa, and H. Okubo : “Influence of Metal on Conductivity of Circulation System with Pure Water for Electrical Insulation”, 2012 National Convention Record IEE Japan, No. 2-010, p. 12 (2012) (in Japanese)