Sorin Mihai Radu. "ENERGETICAL SCENARIOS BASED ON JIU VALLEY HARD COAL UTILISATION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING, 2014. https://doi.org/10.5593/sgem2014/b13/s3.028