@inproceedings{sgem2017s21111,
  title = {THE EUROPE 2020 - SUSTAINABLE GROWTH IN V4 COUNTRIES},
  author = {Elena Sira},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference},
  year = {2017},
  pages = {893-900},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/53/s21.111}
}