TY - CPAPER AU - Piotr Owerko TI - GPR IDENTIFICATION OF PRESTRESSING TENDONS IN AREAS WITH HIGH DENSITY OF ORDINARY REINFORCEMENT. T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 DO - 10.5593/sgem2013/ba1.v2/s05.012 PB - Stef92 Technology ER -