@inproceedings{sgem2008paper,
  title = {MODIFICATION OF PROCEDURES FOR GENERATION OF CONTOUR DESCRIPTION FROM DIGITAL GRAPHIC IMAGES},
  author = {B. Marinov},
  booktitle = {8th International Scientific Conference - SGEM2008},
  year = {2008},
  pages = {549-556},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}