@inproceedings{sgem2002paper,
  title = {COAL DUST SUPPRESSION SYSTEMS},
  author = {M. Pranchova and HR. Popivanov and L. Vitaonv},
  booktitle = {2nd International Scientific Conference - SGEM2002},
  year = {2002},
  pages = {131-138},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}