@inproceedings{sgem2016s03102,
  title = {SPECIFIC ENERGY IN LOADING UPPER CARBONIFEROUS SANDSTONES},
  author = {Anna Bogusz},
  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 = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2016/b12/s03.102}
}