TY - CPAPER AU - International authors TI - 14th International Multidisciplinary Scientific GeoConference SGEM 2014, Science and Technologies in Geology, Exploration and Mining, Vol. 14, Book 1, Volume 2 T2 - International Multidisciplinary Scientific GeoConference SGEM 2014 PY - 2014 DO - 10.5593/sgem2014/b12 PB - STEF92 Technology ER -