TY - CPAPER AU - International authors TI - 20th International Multidisciplinary Scientific GeoConference SGEM 2020, Science and Technologies in Geology, Exploration and Mining, Vol. 20, Issue 1.3 T2 - International Multidisciplinary Scientific GeoConference SGEM 2020 PY - 2020 DO - 10.5593/sgem2020v/1.3 PB - STEF92 Technology ER -