@inproceedings{sgem2015s1031,
  title = {IMPACT OF THE FORMAL REQUIREMENTS AND GEOLOGICAL AND MINING CONDITIONS ON THE EXPLOITATION OF HARD COAL RESOURCES IN UPPER SILESIAN COAL BASIN (POLAND},
  author = {Borys Borowka},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 15th International Multidisciplinary Scientific GeoConference SGEM2015, SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING},
  year = {2015},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2015/b11/s1.031}
}