@inproceedings{sgem2018s03089, title = {RADON EXPOSURE EVALUATION IN THE JIU VALLEY COAL BASIN}, author = {Mihai Popescu – Stelea}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining}, year = {2018}, pages = {701-708}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2018/1.3/s03.089} }