TY - CPAPER AU - Nikolay Stoyanov TI - HYDRODYNAMIC MODEL OF MULTI- LAYERED AQUIFER COMPLEX IN THE DOBRUDZHA COALFIELD AREA (NE BULGARIA) T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Minining PY - 2018 SP - 333 EP - 340 DO - 10.5593/sgem2018/1.2/s02.042 PB - STEF92 Technology ER -