@misc{Poreisz_Veronika_Development,
 author={Poreisz, Veronika},
 howpublished={online},
 publisher={Publishing House of the University of Economics in Katowice},
 language={eng},
 type={artykuł},
 title={Development differences between Central and Eastern European regions by country borders},
 keywords={border regions, development differences, NUTS2 regions, R&D},
}