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Author
- Geographical Survey Institute6
- Economic and Social Research Institute4
- General Organization of Remote Sensing (GORS)3
- United States. National Aeronautics and Space Administration2
- United States. National Geospatial-Intelligence Agency2
- Earth Resources Observation Systems1
- International Steering Committee for Global Mapping (ISCGM)1
- National Survey Authority1
- WorldSat International Inc.1