- “NASA’s Lunar Exploration Program Overview”, NASA, (September 2020), https://www.nasa.gov/sites/default/files/atoms/files/artemis_plan-20200921.pdf.
- MALIK, T., “NASA picks Intuitive Machines to land an ice-mining drill on the moon”, Space.com, (22 October 2020), https://www.space.com/nasa-picks-intuitive-machines-prime-1-ice-mining-lander.
- JONES, A., “China recovers Chang’e-5 moon samples after complex 23-day mission”, Space News, (16 December 2020), https://spacenews.com/china-recovers-change-5-moon-samples-after-complex-23-day-mission/.
- GRIFFIN, A., “Hayabusa2: Japanese spacecraft returns to Earth carrying pieces of distant asteroid”, Independent, (6 December 2020), https://www.independent.co.uk/life-style/gadgets-and-tech/space/hayabusa2-asteroid-japan-jaxa-spacecraft-b1766798.html.
- Hague International Space Resources Governance Working Group, Universiteit Leiden, https://www.universiteitleiden.nl/en/law/institute-of-public-law/institute-of-air-space-law/the-hague-space-resources-governance-working-group.
