Library VÚGTK 2 records found  Search took 0.00 seconds. 
1. Use of the Decca Navigator Survey System in New Guinea for Hydrography and as a Geodetic Framework / Verstelle, Th. J. ; International Union of Geodesy and Geophysics. Eleventh General Assembly, Toronto - 1957. Geodesy. (Electronic Survey Systems)
Hague: Netherlands Hydrographic Office, 1957
Signatura: K17512
2. Standard Sheets of Hyperbolic Patterns for Survey Use / Verstelle, Th. J. ; International Union of Geodesy and Geophysics. Eleventh General Assembly, Toronto - 1957
Hague: Netherlands Hydrographic Office, 1957
Signatura: K17511

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