TY - CPAPER AU - Nicoleta Calin AU - Ioan Bica TI - COMPARATIVE ANALYSIS OF SOLUTIONS FOR EXECUTION DEEP EXCAVATIONS 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 - 135 EP - 142 DO - 10.5593/sgem2017/12/s02.018 PB - STEF92 Technology ER -