Krzysztof Krauze. "DISC UNIT DEDICATED TO MINE ABRASIVE ROCKS AND IN PARTICULAR COPPER ORES." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining, 2018, pp. 311-318. https://doi.org/10.5593/sgem2018/1.3/s03.040