1. S. D. Grishin and L. V. Leskov, Spacecraft Electrical Rocket Engines (Mashinostroenie, Moscow, 1989) [in Russian].
2. S. D. Grishin, in Encyclopedia of Low-Temperature Plasma, Ed. by V. E. Fortov (Nauka, Moscow, 2000), Vol. IV, p. 291 [in Russian].
3. A. I. Morozov, in Encyclopedia of Low-Temperature Plasma, Ed. by V. E. Fortov (Nauka, Moscow, 2000), Vol. III, pp. 383, 393, 416, 435, 443, 568 [in Russian].
4. O. A. Gorshkov, V. A. Muravlev, and A. A. Shagaida, Hall and Ion Plasma Thrusters for Spacecrafts (Mashinostroenie, Moscow, 2008) [in Russian].
5. D. M. Goebel and I. Katz, Fundamentals of Electric Propulsion: Ion and Hall Thrusters (Wiley, Hoboken, NJ, 2008).