@inproceedings{sgem2009paper,
  title = {HOW READ A MAP},
  author = {S. Vasilev},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {35-42},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}