TY - CPAPER AU - Davids Berzins AU - Janis Karuss AU - Maris Krievans AU - Kristaps Lamsters TI - DETECTION OF BOULDERS IN UNDISTURBED SANDY SOILS USING GROUND PENETRATING RADAR T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 103 EP - 110 DO - 10.5593/sgem2017/14/s05.013 PB - STEF92 Technology ER -