International Society for Photogrammetry and Remote SensingInternationale Gesellschaft für Photogrammetrie und Fernerkundung Société Internationale de Photogrammétrie et de Télédétection Commission IV: Mapping and Geographic Information Systems |
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URL: http://www.ngdc.noaa.gov/seg/globsys/gis/referenc.html
Revised: 20 December 1997