Bukowski, Przemyslaw, Tomaszewska, Barbara, Bukowska, Miroslawa, Pajak, Leszek, Niedbalska, Katarzyna. HYDROGEOLOGICAL INVESTIGATIONS IN PREDICTING UCG PROCESS INFLUENCE ON GROUNDWATER ENVIRONMENT IN POLAND. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING, 2015, pp. 375-382. https://doi.org/10.5593/sgem2015/b12/s2.050