Joanna Calus Moszko, Barbara Bialecka, Krzysztof Wierzchowski. "THE POSSIBILITY OF SEPARATING AND UTILISING CHAR OBTAINED FROM FLY ASHES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 2017, pp. 1125-1132. https://doi.org/10.5593/sgem2017/11/s04.144