EPSG
Geodeziya i Katografiya, 1993, and "Parametry Zemli Reference Document", Military Topgraphic Department (VTU) of the General Staff of Armed Forces of the Russian Federation.
2020-08-31
Geodesy. Navigation and positioning using Glonass satellite system.
Replaced by PZ-90.02 from 2007-09-20.
Definition: JSON
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