Slawomira Pusz. FORMS AND DISTRIBUTION OF SULPHUR AND SULPHUR-CONTAINING MINERALS AS RELATED TO THE ENVIRONMENTS OF COAL DEPOSITION IN EASTERN PART OF THE UPPER SILESIAN COAL BASIN   POLAND. SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING, 2014. https://doi.org/10.5593/sgem2014/b11/s1.012