@inproceedings{sgem201961,
  title = {19th International Multidisciplinary Scientific GeoConference SGEM 2019, Nano, Bio, Green and Space Technologies for a Sustainable Future, Vol. 19, Issue 6.1},
  author = {International authors},
  booktitle = {International Multidisciplinary Scientific GeoConference SGEM 2019},
  year = {2019},
  pages = {},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/6.1}
}