Nasa
- Administração Nacional de Aeronáutica e Espaço
dos EUA (National Aeronautic and Space Administration). 600, Independence
Avenue, SW, 20546 Washington, DC, EUA. Tels. (001-202) 453-8455
e 453-8400.
NBC - National Broadcasting Company. 30, Rockefeller Plaza,
NY, 10112, New York, EUA. Tel. (001-212) 664-4444.
