1. I. N. Slivkov, Insulation and Discharge in Vacuum (Atomizdat, Moscow, 1972) [in Russian].
2. R. V. Latham, High-Voltage Vacuum Insulation: The Physical Basis (Academic Press, New York, 1981).
3. P. N. Chistyakov and N. P. Dubinin, in Proceedings of the 7th International Symposium on Discharges and Electrical Insulation in Vacuum, Novosibirsk, 1976, pp. 463–466.
4. B. Juttner, W. Rohrbeck, and H. Wolff, in Proceedings of the 9th International Conference on Phenomena in Ionized Gases (ICPIG), Bucharest, 1969, p. 140.
5. A. A. Emel’yanov, Zh. Tekh. Fiz. 75(5), 113 (2005) [Tech. Phys. 50, 642 (2005)].