The first director of the Constantine Geodetic Institute (Konstantinovsky mezhevoi institut)
Text from Wikipedia, available under CC BY-SA 4.0.
- #wikipedia
- #event
The first director of the Constantine Geodetic Institute (Konstantinovsky mezhevoi institut)
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-18 from Wikipedia. The archived copy is preserved so this citation survives link rot.