1. A. M. Khazen and V. A. Shuvalov, ?Determination of the parameters of a partially ionized gas with a thermoanemometer,? Zh. Tekh. Fiz.,36, No. 2 (1966).
2. O. V. Kozlov, An Electrical Probe in a Plasma [in Russian], Atomizdat, Moscow (1969).
3. V. A. Shuvalov, V. V. Gubin, et al., ?Plasma parameters of a gas-discharge ion source,? Inzh.-Fiz. Zh.,34, No. 1 (1978).
4. V. A. Shuvalov, ?Determination of the charged-particle density in a nonequilibrium rarefied plasma from the characteristic curve of a Langmuir probe,? Teplofiz. Vys. Temp.,10, No. 3 (1972).
5. C. V. Goodall and B. Polychronopulos, ?Measurement of electron density in low density plasmas from the electron accelerating region characteristics of cylindrical Langmuir probes,? Planet. Space Sci.,22, No. 12 (1974).