TY - CPAPER AU - Martin Rovnak TI - REDUCING CARBON FOOTPRINT IN EASTERN SLOVAKIA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES PY - 2014 DO - 10.5593/sgem2014/b41/s17.058 PB - Stef92 Technology ER -