Maciej Madziarz, Daniel Pawelus. "ASSESSMENT OF HISTORICAL MINE EXCAVATIONS STABILITY USING NUMERICAL METHODS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 2017, pp. 95-104. https://doi.org/10.5593/sgem2017/12/s02.013