general/geodetic-datums
Surf Wiki
Geodetic datum (1)
European Terrestrial Reference System 1989 (1)
International Terrestrial Reference System and Frame (1)
Geodetic datum
Reference frame for measuring location
European Terrestrial Reference System 1989
Geodetic reference frame fixed to the Eurasian Plate
International Terrestrial Reference System and Frame
World spatial reference system co-rotating with the Earth in its diurnal motion in space