TY - CPAPER AU - Vlastimil Repka TI - RESEARCH COMPARISON OF FOAM SEPARATION AND FLOTATION OF COAL. T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2015 DO - 10.5593/sgem2015/b11/s4.088 PB - Stef92 Technology ER -