@proceedings{sgem201753,
  title = {17th International Multidisciplinary Scientific GeoConference SGEM 2017, Ecology, Environmental Economics, Education, and Legislation, Vol. 17, Book 5, Volume 3},
  author = {International authors},
  year = {2017},
  publisher = {STEF92 Technology},
  isbn = {},
  doi = {10.5593/sgem2017/53}
}