@inproceedings{sgem2017s23050,
  title = {THE MAIN DIRECTIONS OF EU ENVIRONMENTAL STRATEGY},
  author = {Michal Pietkiewicz},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2017 17th International Multidisciplinary Scientific GeoConference},
  year = {2017},
  pages = {395-400},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2017/54/s23.050}
}