@inproceedings{sgem2016s01010,
  title = {CHARACTERISTIC OF COAL QUALITY IN DEPOSIT WITH THE USE OF SURFER PROGRAM},
  author = {Wasilczyk, Adam},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining},
  year = {2016},
  pages = {71-78},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2016/b11/s01.010}
}