1. Nordhaus WD. The value of information. In: Krasnow, RP, editor, Policy aspects of climate forecasting. Proceedings, May 4. Washington, DC: Resources for the Future;1986: p.29–34.
2. Baker JD. When the rains came. The Washington Post. 25 January; 1995. A25.
3. Planning for the global earth observation system of systems (GEOSS);Christian;Space Policy,2005
4. The global earth observation system of systems: science serving society;Lautenbacher;Space Policy,2006
5. Earth science and applications from space: urgent needs and opportunities to serve the nation. Space Studies Board,2005