TY - CPAPER AU - Ivana Mahdalova TI - THE ISSUE OF COBBLED ROADWAYS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Nano, Bio and Green - Technologies for a Sustainable Future PY - 2017 SP - 807 EP - 812 DO - 10.5593/sgem2017/62/s27.103 PB - STEF92 Technology ER -