TY - CPAPER AU - Catalin Dumitrescu TI - CONSIDERATIONS REGARDING THE USE OF HYDRAULIC AND PNEUMATIC TRACKERS FOR PHOTOVOLTAIC PANELS TO CONVERT SOLAR ENERGY DIRECTLY INTO ELECTRICAL ENERGY T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES PY - 2013 DO - 10.5593/sgem2013/bd4/s17.010 PB - Stef92 Technology ER -