1. Akazaki Long gap discharge, 1971 Nat'l Conv. I.E.E., Japan, Sl–2.
2. For example, CIGRE. Positive Discharges in Long Air Gaps at LES RENARDIERES, Electra, No. 53, 1977.
3. I.E.E., Japan. Discharge handbook, 1974.
4. Sone and Toriyama. Discharge figures by liquid crystals, Tech. Rept. I.E.E., Japan, ED-71–13, 1971.
5. Temperature and Electron Density in Long Air Sparks