@inproceedings{sgem2013s03049,
  title = {POSSIBLE WAYS OF CALCULATING LABOUR PRODUCTIVITY IN SELECTED MINING COMPANIES OF THE CZECH REPUBLIC},
  author = {Rol?нkovб, Markйta and Krcmarskб, Lucie and Otte, Lukбљ and ?ernэ, Igor},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 13th SGEM GeoConference on SCIENCE AND TECHNOLOGIES IN GEOLOGY, EXPLORATION AND MINING},
  year = {2013},
  pages = {595 - 602 pp},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2013/ba1.v1/s03.049}
}