TY - CPAPER AU - Ciprian Costescu TI - CALCULUS OF THE STIFFENING BITUMINOUS LAYERS THICKNESS BY DEFLECTOMETRIC STATIC AND DYNAMIC MEASUREMENTS ON DIFFERENT NATIONAL ROADS SECTORS 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/s05.006 PB - Stef92 Technology ER -