@inproceedings{sgem2014S4001,
  title = {SECURITY IN THE NATURAL GAS SUPPLIES TO THE COUNTRIES OF THE VISEGRAD GROUP},
  author = {RUSZEL, M.},
  booktitle = {International Multidisciplinary Scientific Conference on Social Sciences and Arts SGEM2014, Book 2},
  year = {2014},
  pages = {},
  publisher = {STEF92 Technology},
  doi = {10.5593/SGEMSOCIAL2014/B21/S4.001}
}