TY - JOUR L1 - http://www.czasopisma.pan.pl/Content/93751/PDF/10267-Volume59_Issue4-21_paper.pdf L2 - http://www.czasopisma.pan.pl/Content/93751 PY - 2014 IS - No 4 DO - 10.2478/amsc-2014-0079 A1 - Wierzbicki, Mirosław A1 - Konečný, Pavel A1 - Kožušníková, Alena PB - Committee of Mining PAS DA - 2014 T1 - Permeability Changes of Coal Cores and Briquettes under Tri-Axial Stress Conditions UR - http://www.czasopisma.pan.pl/dlibra/publication/edition/93751 T2 - Archives of Mining Sciences ER -