@inproceedings{sgem2017s21064,
  title = {INFLUENCE OF THE COAL MARKET AND ENERGY POLICY IN POLAND AND THE EU FOR THE REAL VOLUME OF COAL SALES AND THE LEVEL OF EMPLOYMENT IN MINING COMPANIES},
  author = {Tobor-Osadnik Katarzyna and Malgorzata Wyganowska and Anna Manowska},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference},
  year = {2017},
  pages = {511-520},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/53/s21.064}
}