@misc{_Mappa,
 howpublished={online},
 publisher={Endersch, Johann Friderick (1705-1769)},
 language={lat},
 type={mapy},
 title={Mappa geografica trium insularum in Prussia, quae Poloniarum regi serenissimo paret, accuratissima in qua Gedaniensis emporii longitudo 36 gradus et 21 minuta ab insula Ferro connumeratur. Iohannes Fridericus Endersch.},
 keywords={Pomorze, Delta Wisły, Gdańsk, Elbląg, Wisłoujście, mapa topograficzna},
}