1. G. A. Lyubimov, ?Electrode layers in which there is a rapid potential change near a ?hot? electrode,? Teplofiz. Vys. Temp.,4, No. 1 (1966).
2. A. Pinchak and É. Zhukoski, ?Volume and surface phenomena in a plasma containing admixtures,? in: Applied Magnetohydrodynamics [in Russian], Moscow, Mir (1965).
3. L. B. Loev, Fundamental Processes of Electrical Discharge in Gases, Wiley (1939).
4. L. E. Kalikhman, Elements of Magnetohydrodynamics [in Russian], Moscow, Atomizdat (1964).
5. É. Blyu, D. Ingol'd, and V. Ozerov, ?Diffusion of electrons and ions in a neutral gas,? Thermionic Energy Conversion [in Russian], Vol. 2, Moscow, Atomizdat (1965).