Matlovič, R. et al. 2018. Spatial polarity and spatial polarization in the context of supranational and national scales: regions of Visegrad countries after their accession to the EU. Bulletin of Geography. Socio-economic Series. 41, 41 (Aug. 2018), 59–78. DOI:https://doi.org/10.2478/bog-2018-0026.