@inproceedings{sgem2014s20099,
  title = {THE NATURAL ENVIRONMENT AS AN ELEMENT OF SUSTAINABLE DEVELOPMENT IN NORTH-EASTERN POLAND},
  author = {Sebastian Goraj},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 14th SGEM GeoConference on ECOLOGY, ECONOMICS, EDUCATION AND LEGISLATION},
  year = {2014},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2014/b52/s20.099}
}