@misc{Lencewicz_Stanisław_(1889–1944)_Mapa_1921,
 author={Lencewicz, Stanisław (1889–1944)},
 copyright={Public Domain},
 address={[S.l.]},
 address={(S.l.)},
 howpublished={online},
 year={1921},
 publisher={[s.n.]},
 publisher={(Druk i Lit. F. Regulski-Widok No 26)},
 language={pol},
 title={Mapa hypsometryczna Gór Świętokrzyskich},
 keywords={hypsometric maps, Świętokrzyskie Mountains},
}