TY - CPAPER AU - Bogusław Podhalański TI - ENERGY SAVINGS OR A RETURN TO ENVIRONMENTALLY FRIENDLY CANDLES? T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Nano, Bio and Green - Technologies for a Sustainable Future PY - 2018 SP - 541 EP - 548 DO - 10.5593/sgem2018/6.3/s27.070 PB - STEF92 Technology ER -