1. Finkelnburg, W. and Maecker, H., in Encyclopedia of Physics, Berlin: Springer, 1956, vol. XXII.
2. Eckert, H.U., J. Appl. Phys., 1972, vol. 43, p. 2707.
3. Rutberg, F.G., in Nekotorye voprosy issledovaniya gazorazryadnoi plazmy i sozdaniya sil’nykh magnitnykh polei (Some Problems in the Investigation of Gas-Discharge Plasma and Generation of Strong Magnetic Fields), Novitskii, V.G., Ed., Leningrad: Nauka, 1970, p. 8.
4. Rutberg, Ph., Physics and Technology of High-Current Discharges in Dense Gas Media and Flows, New York: Nova Science, 2009.
5. Mitin, R.V., in Svoistva nizkotemperaturnoi plazmy (The Properties of Low-Temperature Plasma), Novosibirsk: Nauka, 1977, p. 105.