Marek Sołtysiak. "ENVIRONMENTAL EFFECTS OF USING MINING WASTE FOR RECLAMATION GRAVEL PIT IN RAJSKO (SOLA VALLEY, SOUTHERN POLAND).." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation, 2018, pp. 347-354. https://doi.org/10.5593/sgem2018/5.2/s20.047