1. A. V. Donskoi and V. S. Klubnikin, Electric Plasma Processes and Engineering Equipment [in Russian], Mashinostroenie, Leningrad Branch, Leningrad (1979).
2. M. K. Asanaliev, V. S. Engelsht, E. P. Pakhonov, et al., ?Measurement of the coefficient of sphere aerodynamic drag in an argon plasma,? Proc. 15th Int. Conf. Phenom. Ioniz. Gases, Minsk (1981), pp. 959?960.
3. S. V. Dresvin, A. V. Donskoi, V. M. Gol'dfarb, and V. S. Klubnikin, Physics and Technology of Low-Temperature Plasma [in Russian], Atomizdat, Moscow (1972).
4. V. V. Kabanov and V. S. Klubnikin ?Pulverization of powdered materials by plasmotrons with interelectrode inserts,? in: Problems of Powder Metallurgy [in Russian], Nauka, Leningrad (1982), pp. 91?93.
5. S. Taneda, ?Studies on wake vortices (III). Experimental investigation of the wake behind a sphere at low Reynolds numbers,? Reports of the Res. Inst. for App. Mech., 4, No. 16, 99?105 (1956).