@misc{_Przegląd_1980, copyright={Rights Reserved - Free Access}, address={Warszawa}, journal={Przegląd Geograficzny}, howpublished={online}, year={1980}, publisher={IGiPZ PAN}, language={pol}, language={eng}, title={Przegląd Geograficzny T. 52 z. 4 (1980)}, type={Text}, URL={http://www.rcin.org.pl/Content/14175/PDF/WA51_16267_r1980-t52-z4_Przeg-Geogr.pdf}, keywords={Kazimierz Dziewoński, theory of settlement system, geographico-historical regions, regional geography, economic base models, commuting centers, commuting to work, urban geography, peripheral regions, demography, natural increase, migration, Katowice conurbation, Lisbon}, }