TY - CPAPER AU - Mihai Popescu – Stelea TI - RADON EXPOSURE EVALUATION IN THE JIU VALLEY COAL BASIN T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining PY - 2018 SP - 701 EP - 708 DO - 10.5593/sgem2018/1.3/s03.089 PB - STEF92 Technology ER -