1. S. D. Grishin and L. V. Leskov, Spacecraft Electrical Rocket Engines (Mashinostroenie, Moscow, 1989) [in Russian].
2. O. A. Gorshkov, V. A. Muravlev, and A. A. Shagaida, Hall and Ion Plasma Thrusters for Spacecrafts (Mashinostroenie, Moscow, 2008) [in Russian].
3. D. M. Goebel and I. Katz, Fundamentals of Electric Propulsion: Ion and Hall Thrusters (Wiley, Hoboken, NJ, 2008).
4. D. Y. Oh, R. R. Hofer, I. Katz, J. A. Sims, N. Z. Warner, T. M. Randolph, R. T. Reeve, and R. C. Moeller, in Proceedings of the 31st International Electric Propulsion Conference, Ann Arbor, 2009, Paper IEPC-2009-217.
5. V. P. Shumilin, A. V. Shumilin, and N. V. Shumilin, Plasma Phys. Rep. 40, 229 (2014).