TY - CPAPER AU - Hummel, Martin AU - Hummelovб, Ilona AU - Gibesovб, Beata TI - THE EFFECT OF DEGASSING BOREHOLE INTO OLD MINE WORKINGS IN THE QUATERNARY OF METHANE CONTENT IN THE SOIL AIR T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING PY - 2013 SP - 781 EP - 786 pp DO - 10.5593/sgem2013/ba1.v1/s03.074 PB - Stef92 Technology ER -