@inproceedings{sgem2014b12,
  title = {14th International Multidisciplinary Scientific GeoConference SGEM 2014, Science and Technologies in Geology, Exploration and Mining, Vol. 14, Book 1, Volume 2},
  author = {International authors},
  booktitle = {International Multidisciplinary Scientific GeoConference SGEM 2014},
  year = {2014},
  pages = {},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2014/b12}
}