Nagy, Richard, Koљicanovб, Danica. "RESEARCH OF MINIMUM VENTILATION INTENSITY." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on ENERGY AND CLEAN TECHNOLOGIES (2013): 199 - 210 pp. https://doi.org/10.5593/sgem2013/bd4/s17.026