@inproceedings{sgem2018s03139,
  title = {USED MATERIALS FOR BRICKMAKING PRODUCTS},
  author = {Jan Fiala},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining},
  year = {2018},
  pages = {1105-1110},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/1.3/s03.139}
}