TY - CPAPER AU - P. Bogacz TI - HARD COAL AS AN IMPORTANT TRANSITION FUEL IN THE POLISH ENERGY SYSTEM - THE CONTEXT OF THE CARBON FOOTPRINT T2 - 24th International Multidisciplinary Scientific GeoConference Proceedings SGEM 2024, Ecology, Economics, Education and Legislation, Vol 24, Issue 5.1 PY - 2024 SP - 545 EP - 552 DO - 10.5593/sgem2024/5.1/s21.68 PB - STEF92 Technology ER -