@inproceedings{sgem2009paper,
  title = {APPLICATION OF VECTOR QUANTISATION METHOD FOR EFFECTIVE AND QUALITY PROCESS CONTROL OF ROCKS DISINTEGRATION BY ROTARY DRILLING},
  author = {I. Lesso and P. Flegner and P. Horovcak and M. Sujansky and E. Spak},
  booktitle = {9th International Multidisciplinary Scientific GeoConference SGEM2009},
  year = {2009},
  pages = {115-122},
  publisher = {SGEM Scientific GeoConference},
  doi = {}
}