TY - CPAPER AU - Ştefan Ispas TI - CONTRIBUTIONS TO THE KNOWLEDGE OF SOIL POLLUTION WITH FLUORINE T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference PY - 2011 DO - 10.5593/sgem2011/s16.102 PB - Stef92 Technology ER -