Milan Mikolas. "FINDINGS FROM NEW MONITORING TECHNIQUES USED ON SIDE SLOPES OF THE BROWN COAL MINE CSA, LITVINOVSKA UHELNA A.S.   REFLECTORLESS MEASUREMENT." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference, 2012. https://doi.org/10.5593/sgem2012/s07.v2010