@misc{Stępniak_Marcin_Accessibility_2013,
 author={Stępniak, Marcin and Rosik, Piotr},
 volume={23},
 copyright={Rights Reserved - Free Access},
 journal={Europa XXI},
 address={Warszawa},
 howpublished={online},
 year={2013},
 publisher={IGiPZ PAN},
 language={eng},
 title={Accessibility of Services of General Interest at regional scale},
 type={Text},
 URL={http://rcin.org.pl/Content/42026/PDF/WA51_59806_r2013-t23_EuropaXXI-Stepniak.pdf},
 keywords={accessibility, services of general interest, cohesion, population grid},
}