IGN Paris "Constants d'Ellipsoides" February 1972.
1995-06-02
false
urn:ogc:def:ellipsoid:EPSG::7027
Plessis 1817
Rescaling of Delambre 1810 figure (a=6376985 m) to make meridional arc from equator to pole equal to 10000000 metres exactly. (Ref: Strasser).
6376523
308.64