1. and . Circuit breakers for power lines, pp. 22, I.E.E., Japan, 1975.
2. and . Diagnosis of electron densities in 1-atm air arcs by using Tomson scattering of laser light by electrons, Data for electric discharges, I.E.E., Japan, ED-82–47, 1982.
3. Base of plasma, pp. 159, Asakura Shoten, 1969.
4. Base of plasma, pp. 49 and 132, Asakura Shoten, 1969.