Daniel Cosmin Vitan. "RESEARCHES CONCERNING THE POSSIBILITIES OF MODERNIZING THE CUTTING WHEELS OF THE EXTRACTION TOWER OF SLANIC PRAHOVA SALT MINE." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings19th, Science and Technologies in Geology, Exploration And Mining (2019): 553-560. https://doi.org/10.5593/sgem2019/1.3/s03.071