@inproceedings{sgem2002paper,
  title = {GAS SUPPLY – FACTOR FOR SUSTAINABLE DEVELOPMENT IN ENERGY SECTOR},
  author = {Рњ. Boiadjiev and ST. Blagova},
  booktitle = {2nd International Scientific Conference - SGEM2002},
  year = {2002},
  pages = {81-94},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}