@inproceedings{sgem2001paper,
  title = {GEOLOGY AND MINING LEGISLATION IN BULGARIA},
  author = {Julia Arutjunjan},
  booktitle = {1st International Scientific Conference - SGEM2001},
  year = {2001},
  pages = {405- 410},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}