TY - CPAPER AU - Olga Sukta TI - A PRELIMINARY ANALYSIS OF THE USE OF NON-INVASIVE MEASUREMENT METHODS IN THE STUDYING THE GEOMETRY OF RETAINING WALLS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on INFORMATICS, GEOINFORMATICS AND REMOTE SENSING PY - 2013 DO - 10.5593/sgem2013/bb2.v2/s09.003 PB - Stef92 Technology ER -