@inproceedings{sgem2002paper,
  title = {LASER SURVEYING SYSTEMS COMBINED WITH GIS APPLICATIONS. MODERN TOOLS IN SUPPORTING AND ENVIRONMENTAL MANAGEMENT OF MINING-QUARRYING-EXTRACTIVE WORKS. HELLENIC EXPERIENCES AND CASE HISTORIES},
  author = {E. Baliktsis and M. Fragoulis},
  booktitle = {2nd International Scientific Conference - SGEM2002},
  year = {2002},
  pages = {245-256},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}