TY - CPAPER AU - George Maftei TI - PROGRESSES IN APPLICABILITY AND EFFICIENCY OF THE DEEP DRAINAGE SYSTEMS USING SIPHON DRAINS IN ROMANIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2014 DO - 10.5593/sgem2014/b12/s2.093 PB - Stef92 Technology ER -