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Geodesy Library/Publications Geodetic Reference System
graphic
Geodesy for the Layman at NGA
Basic Geodesy Articles at NGA
Datums. Ellipsoids. Grids and Grid Reference Systems
Coordinate System Analysis from NGA
The Geodetic Reference System Site of Peter H. Dana - The Geographers Craft
wikibooks.de: Regal Geodäsie
related information
wikibooks.de: Regal Geodäsie
history of earth models
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