@misc{_Powiats,
 howpublished={online},
 publisher={Statistical Office in Bydgoszcz},
 language={eng},
 language={pol},
 title={Powiats and Gminas of Kujawsko-Pomorskie Voivodship in 2011 : socio-economic situation during of the programming period 2007-2013},
 type={e-periodical},
 keywords={kujawsko-pomorskie voivodship, socio-economic situation},
}