@inproceedings{sgem2001paper,
  title = {PHOTOGRAMMETRIC SYSTEMS AND VISUALIZATION OF MEASUREMENT PROCESS},
  author = {Lacezar Licev},
  booktitle = {1st International Scientific Conference - SGEM2001},
  year = {2001},
  pages = {93- 104},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}