1. V.S. Yazenkov, Basics of satellite navigation, GPS systems, NAVSTAR and GLONASS, Goriachayaliniya-Telekom 2005. p. 272 (in Russian).
2. P.S. Zakatov, Advanced Geodesy course. 4. Edition edited – Nedra, 1976 (in Russian).
3. A.V. Bagrov, A concept of co-ordinate frame for Earth and sky, in: Proceedings of International Conference AstroKazan-2001, Kazan State University: Publisher "DAC", September 24–29, 2001, p. 54 (in Russian).
4. “Autonomous signal device” Model-patent RU 110857, Patent owner. Federal Enterprise “Lavochkin Association”, Published: 27.11.2011 Bill No. 33. (in Russian).
5. Construction of a high-frequency selenometric coordinate system on the physical surface of the Moon using light-diode beacons, located on its surface;Shirenin;Cosmic Res.,2015