TY - JOUR L1 - http://www.journals.pan.pl/Content/93865/PDF/10267-Volume60_Issue2-01_paper.pdf L2 - http://www.journals.pan.pl/Content/93865 PY - 2015 IS - No 2 DO - 10.1515/amsc-2015-0029 A1 - Dubiński, Józef A1 - Turek, Marian PB - Committee of Mining PAS DA - 2015[2015.01.01 AD - 2015.12.31 AD] T1 - Basic Aspects Of Productivity Of Underground Coal Gasification Process UR - http://www.journals.pan.pl/dlibra/publication/edition/93865 T2 - Archives of Mining Sciences ER -