@misc{_Gidrografičeskaâ_1850,
 editor={Rosja. Armiâ. 1 Armiâ Glavnoe Upravlenie Intendenta},
 copyright={Public Domain},
 address={[S.l.]},
 howpublished={online},
 year={1850},
 publisher={[s.n.]},
 language={rus},
 language={fre},
 language={pol},
 title={Gidrografičeskaâ karta Carstva Pol'skago = Carte hydrographique du Royame de Pologne = Karta hidrograficzna Królestwa Polskiego},
 keywords={hydrographical maps, Kingdom of Poland, Poland, 19th century},
}