1. International Space Cooperation, Addressing challenges of the new millennium, Report of an AIAA, UN/OOSA, CEAS, CASI Workshop, March 2001.
2. U.N. Doc. A/AC.98/2, June 1959.
3. The Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies (Outer Space Treaty), 10 October 1967.
4. The Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space (Rescue Agreement), 3 December 1968.
5. The Convention on International Liability for Damage Caused by Space Objects (Liability Convention), 1 September 1972.