@inproceedings{sgem2017s19038,
  title = {ANALYSIS OF VARYING LEVELS OF METHANE EMISSIONS FROM COAL MINES IN POLAND},
  author = {Magdalena Tutak},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 17th International Multidisciplinary Scientific GeoConference SGEM2017, Energy and Clean Technologies},
  year = {2017},
  pages = {301-308},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017h/43/s19.038}
}