@proceedings{sgem201713,
  title = {17th International Multidisciplinary Scientific GeoConference SGEM 2017, Science and Technologies in Geology, Exploration and Mining, Vol. 17, Book 1, Volume 3},
  author = {International authors},
  year = {2017},
  publisher = {STEF92 Technology},
  isbn = {},
  doi = {10.5593/sgem2017/13}
}