@inproceedings{sgem2009paper,
  title = {MONITORING DRILLING BIT PARAMETERS ALLOWS OPTIMIZATION OF DRILLING RATES},
  author = {V. C Kelessidis and P. Dalamarinis},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {605-612},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}