Ofelia-Larisa Filip. SETTING UP OF UNDERGROUND TOPOGRAPHY SUPPORTS TWO FIXED POINTS. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, INFORMATICS, GEOINFORMATICS AND REMOTE SENSING, 2015. https://doi.org/10.5593/sgem2015/b22/s9.055