@inproceedings{sgem2018s03062,
  title = {IMPACT OF THE PERMEABILITY OF GOAVES WITH CAVING ON THE METHANE CONCENTRATION LEVELS IN THE UPPER CORNER OF A LONGWALL},
  author = {Magdalena Tutak},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining},
  year = {2018},
  pages = {481-488},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/1.3/s03.062}
}