@inproceedings{sgem2009paper,
  title = {HISTORY OF NATURAL STONES AND INDUSTRY OF TURKEY},
  author = {G. Tuncer and IL. E. Kerey},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {427-432},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}