@inproceedings{sgem2001paper,
  title = {RECOGNITION OF POINTS OF CONCERN ON PHOTOGRAPHY},
  author = {Lacezar Licev},
  booktitle = {1st International Scientific Conference - SGEM2001},
  year = {2001},
  pages = {111-124},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}