@misc{Nitsch_Kazimierz_(1874–1958)_Mapa_1919,
 author={Nitsch, Kazimierz (1874–1958)},
 copyright={Rights Reserved - Restricted Access},
 address={Kraków},
 address={Warszawa [etc.]},
 address={(Kraków)},
 howpublished={online},
 year={1919},
 publisher={G. Gebethner i Ska},
 publisher={Gebethner i Wolff},
 publisher={(Lit. Inż. Krzepowski)},
 language={pol},
 title={Mapa narzeczy polskich z objaśnieniami},
 keywords={population maps, Polish language, dialects, Poland},
}