@inproceedings{sgem2003paper,
  title = {OMV’S APPROACH TO BLOCK VARNA, OFFSHORE BULGARIA},
  author = {W. Klammer and G. Georgiev and T. Eder and R. Gambini and P. Seifert},
  booktitle = {3rd International Scientific Conference - SGEM2003},
  year = {2003},
  pages = {259-260},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}