@ARTICLE{Zapletal_Pavel_The_2016, author={Zapletal, Pavel and Prokop, Pavel and Štemberka, Martin and Gibesová, Beáta and Vavříková, Eva and Trčková, Helena}, number={No 1}, journal={Archives of Mining Sciences}, howpublished={online}, year={2016}, publisher={Committee of Mining PAS}, title={The Calculation of Methane Concentration Emitted from the Coal Face}, URL={http://ochroma.man.poznan.pl/Content/94043/PDF/10267-Volume61_Issue1-07_paper.pdf}, doi={10.1515/amsc-2016-0007}, }