Ferdi Demirtas. "GEOCHEMISTRY OF OLIGO-MIOCENE COALS IN GELIBOLU PENINSULA, NW TURKEY." 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/b11/s1.016