TY - GEN L1 - http://www.dbc.wroc.pl/Content/38365/PDF/mining_science_vol21_2014_065_081.pdf M3 - journal L2 - http://www.dbc.wroc.pl/Content/38365 KW - mining KW - geology KW - geo-engineering PB - Wroclaw University of Technology UR - http://www.dbc.wroc.pl/dlibra/publication/edition/38365 ER -