@inproceedings{sgem2005paper,
  title = {USE OF SATELLITE IMAGES AND GIS TECHNOLOGIES FOR THE EFFECTIVE MANAGEMENT OF THE TERRITORY OF BULGARIA},
  author = {V. Vassilev and P. Milenov},
  booktitle = {5th International Scientific Conference - SGEM2005},
  year = {2005},
  pages = {649-656},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}