@ARTICLE{Dubiński_Józef_Basic_2015, author={Dubiński, Józef and Turek, Marian}, number={No 2}, journal={Archives of Mining Sciences}, howpublished={online}, year={2015}, publisher={Committee of Mining PAS}, title={Basic Aspects Of Productivity Of Underground Coal Gasification Process}, URL={http://ochroma.man.poznan.pl/Content/93865/PDF/10267-Volume60_Issue2-01_paper.pdf}, doi={10.1515/amsc-2015-0029}, }