TY - CPAPER AU - Maciej Madziarz TI - USING THE GEORADAR METHOD (GPR - GROUND PENETRATION RADAR) FOR SEARCHING AND LOCATION OF INACCESSIBLE OR UNKNOWN, HISTORIC UNDERGROUND EXCAVATIONS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION PY - 2015 DO - 10.5593/sgem2015/b51/s20.135 PB - Stef92 Technology ER -