@inproceedings{sgem2013s03074,
  title = {THE EFFECT OF DEGASSING BOREHOLE INTO OLD MINE WORKINGS IN THE QUATERNARY OF METHANE CONTENT IN THE SOIL AIR},
  author = {Martin Hummel},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING},
  year = {2013},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2013/ba1.v1/s03.074}
}