@ARTICLE{Mazurek_Janusz_Methodology_2016,
 author={Mazurek, Janusz and Mucha, Jacek and Klojzy-Karczmarczyk, Beata},
 volume={vol. 32},
 number={No 4},
 journal={Gospodarka Surowcami Mineralnymi - Mineral Resources Management},
 howpublished={online},
 year={2016},
 publisher={Komitet Zrównoważonej Gospodarki Surowcami Mineralnymi PAN},
 publisher={Instytut Gospodarki Surowcami Mineralnymi i Energią PAN},
 title={Methodology of statistical study of the chemical composition of by-products of coal mining to assess their suitability as materials for reclamation},
 URL={http://ochroma.man.poznan.pl/Content/105937/PDF/gospo-2016-0038.pdf},
 doi={10.1515/gospo-2016-0038},
}