TY - CPAPER AU - RafaƂ Blazy TI - IMPORTANT VALUES OF METROPOLITAN AREAS AND THEIR CENTERS BASED ON THE EXAMPLE OF THE SILESIAN METROPOLIS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 19th International Multidisciplinary Scientific GeoConference SGEM2019, Ecology, Economics, Education and Legislation PY - 2019 SP - 393 EP - 400 DO - 10.5593/sgem2019/5.3/s21.049 PB - STEF92 Technology ER -