@misc{_Przegląd_1969,
 copyright={Rights Reserved - Free Access},
 address={Warszawa},
 journal={Przegląd Geograficzny},
 howpublished={online},
 year={1969},
 publisher={IGiPZ PAN},
 language={pol},
 language={eng},
 type={Text},
 title={Przegląd Geograficzny T. 41 z. 2 (1969)},
 URL={http://rcin.org.pl/igipz/Content/8687/PDF/WA51_16379_r1969-t41-z2_Przeg-Geogr.pdf},
 keywords={urban agglomerations, interregional flows, concentration measures, functional types of towns, geographical environment, regional planning, crop combination, ridge trenches, Poland, Moscow},
}