Lukas Kudrna, Jiri Fries (2017). THE TECHNOLOGY OF THE PLASMA CUTTING ON A CNC MACHINE. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining, 949-956. https://doi.org/10.5593/sgem2017/13/s03.120