@inproceedings{sgem2006paper,
  title = {MODERN REMOTE SENSING GROUND TECHNICAL INSTRUMENTS FOR RAPID CREATION OF PRECISE 3D DIGITAL MODELS OF EXTENSIVE INACCESSIBLE AND DANGER AREAS},
  author = {P. Todorov},
  booktitle = {6th International Scientific Conference - SGEM},
  year = {2006},
  pages = {215-226},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}