@inproceedings{sgem2012s22v4017,
  title = {ENVIRONMENTAL PROTECTION EXPENDITURES IN THE EUROPEAN UNION: THE CASE OF THE VISEGRAD COUNTRIES},
  author = {Marianna Sinicakova},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2012 12th International Multidisciplinary Scientific GeoConference},
  year = {2012},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2012/s22.v4017}
}