TY - GEN L1 - http://dbc.wroc.pl/Content/38376/PDF/mining_science_vol22_2015_075_083.pdf M3 - journal L2 - http://dbc.wroc.pl/Content/38376 KW - mining KW - geology KW - geo-engineering PB - Wroclaw University of Technology UR - http://dbc.wroc.pl/dlibra/publication/edition/38376 ER -