TY - CPAPER AU - Ioan David TI - REPLACEMENT POSSIBILITIES OF THE HEAVY OVERLOAD PISTON OF GRAVITY HYDRO-POWER-TOWER ENERGY STORAGE PLANTS USING COMPRESSED AIR T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies PY - 2018 SP - 603 EP - 610 DO - 10.5593/sgem2018/4.1/s17.078 PB - STEF92 Technology ER -