L1 - http://journals.pan.pl/Content/105946/PDF/gospo-2017-0004.pdf L2 - http://journals.pan.pl/Content/105946 PY - 2017 IS - No 1 DO - 10.1515/gospo-2017-0004 A1 - Parzentny, Henryk A1 - Róg, Leokadia PB - Komitet Zrównoważonej Gospodarki Surowcami Mineralnymi PAN PB - Instytut Gospodarki Surowcami Mineralnymi i Energią PAN VL - vol. 33 DA - 2017 T1 - Evaluation the Value of Some Petrographic, Physico-Chemical and Geochemical Indicators of Quality of Coal in Paralic Series of the Upper Silesian Coal Basin and Attempt to Find a Correlation Between Them UR - http://journals.pan.pl/dlibra/publication/edition/105946 T2 - Gospodarka Surowcami Mineralnymi - Mineral Resources Management