1. G. P. Potapov and A. F. Dregalin, ?Formation of static electricity during outflow of an ionized gas from a nozzle?,Izv. Vuzov., Aviats. Tekh., No. 5, 90?92 (1977).
2. G. P. Potapov ?Electrization of propelling nozzles?,Izv. Vuzov., Aviats. Tekh., No. 1, 84?87 (1978).
3. S. N. Cherephin and Dashevskii, ?Effect of an external electric field on the combustion parameters and electrification of an electrical plant nozzle?,Fiz. Goreniya Vzryva,26, No. 6, 74?78 (1990).
4. L. I. Grechikhin and N. M. Pushkin ?Influence of soot particles on the thermodynamic state of heated gases at various temperatures?,Izv. Vuzov., Aviats. Tekhnika, No. 1, 84?87 (1983)
5. L. Loeb,Static Electrification [in Russian], Gosenergoizdat, Moscow (1963).