@inproceedings{sgem2009paper,
  title = {THE EFFECT OF USE OF NATURAL GAS TO THE QUALITY OF AIR IN ISTANBUL},
  author = {T. Celik and Y. Burdurlu},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {357-364},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}