TY - CPAPER AU - Dariusz Popielarczyk AU - Marta Augustynowicz TI - INVESTIGATION OF UNDERWATER OBJECTS ON THE NAREW RIVER BOTTOM BETWEEN MODLIN FORTRESS AND GRANARY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Informatics, Geoinformatics and Remote Sensing PY - 2017 SP - 375 EP - 382 DO - 10.5593/sgem2017/22/s09.047 PB - STEF92 Technology ER -