1. Global Exploration Roadmap Critical Technology Needs-2019;ISECG,2019
2. L. Xiao, Farside Landing and Nearside Sample Return. China’s New Lunar Missions Are on the Way, The Planetary Report, 2018, pp. 13–16, URL.
3. NASA’s Lunar Exploration Program Overview;NASA,2020
4. The Global Exploration Roadmap January 2018;ISECG,2018
5. En route to the Moon using GNSS signals;Palmerini;Acta Astronaut.,2009