TY - CPAPER AU - . Eng. Catalin DUMITRESCU AU - . Eng. Corneliu CRISTESCU AU - . eng. Gabriela MATACHE 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 SP - 77 EP - 84 pp DO - 10.5593/sgem2013/bd4/s17.010 PB - Stef92 Technology ER -