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Mathematics and Geometry Library/Publications Geometry
graphic
The Coordinate System Site of Peter H. Dana - The Geographers Craft
Koordinatensystem - wikipedia.de
Zeichenebene und Koordinatensystem - mathe online
related information
The Genesis of Coordinate Reference Systems
wikibooks.de: Mathematische Geodäsie
wikibooks.de: Differentialgeometrie
History of Geometry
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