| iac2005.org | 56th International Astronautical Congress 2005 FUKUOKA JAPAN |
| nasa.gov | Space Mission Challenges for Information Technology |
| moonmarsworkshop.com | MoonMarsWorkshop: 2004 Site |
| moonmars.org | MOONMARS Workshop IAC Bremen 2003 |
| unt.edu | President's Commission on Moon, Mars, and Beyond |
| explorerswanted.com | Space Generation Congress - Vancouver 2004 |
| cbpf.br | 67th Annual Meeting of the Meteoritical Society : Metsoc2004.org |
| isunet.edu | International Space University 2004 Symposium: Civil, Commercial and Security Sp |
| terrapinn.com | SatCom Middle East 2004 |
| spaceweek.org | Space Week |
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