Szajnowska-Wysocka, Alicja, and Elżbieta Zuzańska-Żyśko. 2013. “The Upper-Silesian Conurbation on the Path towards the ‘Silesia’ Metropolis”. Bulletin of Geography. Socio-Economic Series, no. 21 (August):111-24. https://doi.org/10.1515/bog-2013-0025.