TY - CPAPER AU - Octavian Bold TI - RECOVERING OF CARBONIFEROUS FRACTION AND OTHER AVAILABLE MINERAL CONSTITUENTS, AS AN ECOLOGICAL CHANGE OVER OF THE STERILE DEPOSITS FROM JIU VALLEY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 DO - 10.5593/sgem2015/b11/s4.086 PB - Stef92 Technology ER -