@misc{Walch_Johann_(1757-1816)_Erde_1828,
 author={Walch, Johann (1757-1816)},
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 address={Augsburg},
 howpublished={online},
 year={1828},
 publisher={Johann Walch},
 title={Erde},
 keywords={kolekcja Romera, mapa świata, 19 w., mapa ogólnogeograficzna},
}