@proceedings{sgem2015b21,
  title = {15th International Multidisciplinary Scientific GeoConference SGEM 2015, Geoinformatics, Remote Sensing, and Artificial Intelligence, Vol. 15, Book 2, Volume 1},
  author = {International authors},
  year = {2015},
  publisher = {STEF92 Technology},
  isbn = {},
  doi = {10.5593/sgem2015/b21}
}