@inproceedings{sgem2019s21049,
  title = {IMPORTANT VALUES OF METROPOLITAN AREAS AND THEIR CENTERS BASED ON THE EXAMPLE OF THE SILESIAN METROPOLIS},
  author = {Rafał Blazy},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation},
  year = {2019},
  pages = {393-400},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2019/5.3/s21.049}
}