@inproceedings{sgem2015s4086, title = {RECOVERING OF CARBONIFEROUS FRACTION AND OTHER AVAILABLE MINERAL CONSTITUENTS, AS AN ECOLOGICAL CHANGE OVER OF THE STERILE DEPOSITS FROM JIU VALLEY}, author = {Octavian Bold}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING}, year = {2015}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2015/b11/s4.086} }