@misc{Walch_Johann_(1757-1816)_Charte_[ok.,
 author={Walch, Johann (1757-1816)},
 copyright={Copyright by Uniwersytet Wrocławski},
 copyright={University of Wroclaw},
 address={Augsbourg},
 howpublished={online},
 year={[ok. 1790]},
 publisher={Martin Will},
 title={Charte de l'Afrique},
 keywords={18 w., Afryka, mapa ogólnogeograficzna},
}