KONÍČEK, Petr, KAJZAR, Vlastimil, SCHREIBER, J. Seismic activity of hard coal longwall mining in protective shaft pillar near closed room and pillar panel. In: IOP Conference Series: Earth and Environmental Science. Vol. 833. Bristol: IOP Publishing Ltd., 2021, č. článku 012087. ISSN 1755-1307. E-ISSN 1755-1315. Available: https://doi.org/10.1088/1755-1315/833/1/012087.