Lucie Martinkova (2015). COALFACE 063 608 AT THE MINING PLANT 3, OKD, A. S. EXPERIMENT ? . SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING. https://doi.org/10.5593/sgem2015/b13/s3.019