@inproceedings{sgem2013be5v2,
  title = {13th International Multidisciplinary Scientific GeoConference SGEM 2013, Ecology, Environmental Economics, Education, and Legislation, Vol. 13, Book 5, Volume 2},
  author = {International authors},
  booktitle = {International Multidisciplinary Scientific GeoConference SGEM 2013},
  year = {2013},
  pages = {},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2013/be5.v2}
}