1. Low earth orbit (LEO) navigation systems (2020). (in Russian). https://www.kik-sssr.ru/Navigation.htm. Accessed 27 Mar 2020
2. Mikrin, E.A., Mihajlov, M.V.: Satellite navigation of spacecraft in lunar orbit, 27 March 2020. (in Russian). https://www.energia.ru/ktt/archive/2018/02-2018/02-07.pdf
3. Christ, D.R., WernliSr, R.L.: Inertial Navigation System (2020). https://www.sciencedirect.com/topics/engineering/inertial-navigation-system. Accessed 27 Mar 2020
4. Inertial Navigation System Composition (2020). https://www.sbg-systems.com/support/knowledge/what-is-an-inertial-navigation-system. Accessed 29 Mar 2020
5. Aleksander, N., Karol, J., et al.: Inertial Navigation Systems and Its Practical Applications (2020). https://www.intechopen.com/books/new-approach-of-indoor-and-outdoor-localization-systems/inertial-navigation-systems-and-its-practical-applications. Accessed 30 Mar 2020