1. Space Activities of the United Nations and International Organizations,1986
2. Report of the Second United Nations Conference on the Exploration and Peaceful Uses of Outer Space,1982
3. International Telecommunication Convention,1982
4. See Radio Regulation 8-94 and also Report 700-1 on Radiocommunication requirements for systems to search for extraterrestrial intelligence (SETI).
5. See the source listed under ref. 2, para. 381 at p. 92.