@inproceedings{sgem2014s3082,
  title = {THE AVERAGE SALARY, THE LABOUR PRODUCTIVITY AND THE UNEMPLOYMENT IN THE FIELD OF BROWN COAL MINING},
  author = {Marketa Rolcikova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING},
  year = {2014},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2014/b13/s3.082}
}