1. V. M. Kagan and V. I. Perel’, Sov. Phys. Usp. 6, 767 (1963).
2. Ya. L. Al’pert, A. V. Gurevich, and L. P. Pitaevskii, Artificial Satellites in Rarefied Plasma (Nauka, Moscow, 1964).
3. J. D. Swift and M. J. R. Schwar, Electrical Probes for Plasma Diagnostics (Iliffe Books, London, 1970).
4. P. Chung, L. Talbot, and K. Touryan, Electric Probes in Stationary and Flowing Plasmas (Springer, Heidelberg, 1975).
5. V. I. Demidov, N. B. Kolokolov, and A. A. Kudryavtsev, Probe Methods of Investigation of Low-Temperature Plasma (Energoatomizdat, Moscow, 1996).