@proceedings{sgem201862,
  title = {18th International Multidisciplinary Scientific GeoConference SGEM 2018, Nano, Bio, Green and Space Technologies for a Sustainable Future, Vol. 18, Issue 6.2},
  author = {International authors},
  year = {2018},
  publisher = {STEF92 Technology},
  isbn = {},
  doi = {10.5593/sgem2018/6.2}
}