Ciprian Costescu. "CALCULUS OF THE STIFFENING BITUMINOUS LAYERS THICKNESS BY DEFLECTOMETRIC STATIC AND DYNAMIC MEASUREMENTS ON DIFFERENT NATIONAL ROADS SECTORS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING (2013). https://doi.org/10.5593/sgem2013/ba1.v2/s05.006