TY - CPAPER AU - Dimitar Antonov AU - Polina Andreeva AU - Aleksey Benderev AU - Kremena Ivanova AU - Sava Kolev TI - GEOLOGY AS A FACTOR OF RADON POTENTIAL IN BULGARIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 20th SGEM International Multidisciplinary Scientific GeoConference Proceedings 2020, Science and Technologies in Geology, Exploration And Mining PY - 2020 SP - 119 EP - 124 DO - 10.5593/sgem2020/1.1/s01.015 PB - STEF92 Technology ER -