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Wojciech Jarmołowski
Department of Satellite Geodesy and Navigation Faculty of Geodesy, Geospatial and Civil Engineering University of Warmia and Mazury ul. Oczapowskiego 2 10-719 Olsztyn, Poland
Jacek Łukasiak
Department of Satellite Geodesy and Navigation Faculty of Geodesy, Geospatial and Civil Engineering University of Warmia and Mazury ul. Oczapowskiego 2 10-719 Olsztyn, Poland