Kacur, Jan, Durdan, Milan, Bogdanovska, Gabriela. "MONITORING AND MEASUREMENT OF THE PROCESS VARIABLES IN UNDERGROUND COAL GASIFICTAION." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Informatics, Geoinformatics and Remote Sensing (2016): 295-302. https://doi.org/10.5593/sgem2016/b21/s07.038