1. Faculty of Geodesy and Geotechnics, Rzeszow University of Technology, 35-959 Rzeszów, Poland
2. Faculty of Environmental Engineering and Geodesy, University of Life Sciences in Lublin, 20-950 Lublin, Poland
3. Faculty of Environmental, Geomatic and Energy Engineering, Kielce University of Technology, 25-314 Kielce, Poland
4. Institute of Geodesy and Civil Engineering, Faculty of Geoengineering, University of Warmia and Mazury in Olsztyn, 10-720 Olsztyn, Poland