@inproceedings{sgem2018s06026,
  title = {COMPARATIVE ANALYSIS CONCERNING THE AMOUNT OF METHANE RELEASED INTO THE ATMOSPHERE AND COLLECTED BY HARD COAL MINES IN POLAND},
  author = {Magdalena Tutak},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Energy and Clean Technologies},
  year = {2018},
  pages = {211-220},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018v/4.3/s06.026}
}