TY - CPAPER AU - Agnieszka Klupa AU - Zdzislaw Adamczyk AU - Andrzej Harat TI - SPINELS IN THE FLY ASH OF POWER PLANT RYBNIK (POLAND) T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Science and Technologies in Geology, Exploration and Mining PY - 2017 SP - 1051 EP - 1058 DO - 10.5593/sgem2017/11/s04.134 PB - STEF92 Technology ER -