@inproceedings{sgem2008paper,
  title = {DETERMINATION OF THE UNIAXIAL COMPRESSIVE STRENGTH OF COAL WITH INDIRECT TESTS},
  author = {N. Bilim and I. Ozkan},
  booktitle = {8th International Scientific Conference - SGEM2008},
  year = {2008},
  pages = {35-42},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}