TY - GEN L1 - http://www.dbc.wroc.pl/Content/38556/PDF/mining_science_vol22_2015_spec1_061_073.pdf M3 - journal L2 - http://www.dbc.wroc.pl/Content/38556 KW - mining KW - geology KW - geo-engineering PB - Wroclaw University of Technology UR - http://www.dbc.wroc.pl/dlibra/publication/edition/38556 ER -