@misc{_Posnania,
 howpublished={online},
 publisher={Braun, Georg (ca 1540-1622)},
 publisher={Hogenberg, Franz (ca 1540- ca 1590)},
 language={lat},
 type={mapy},
 title={Posnania elegans Poloniae in finibus Silesiae civitas.},
 keywords={Poznań 16w., plan miasta},
}