@misc{_Marchia,
 address={Amstelodami},
 howpublished={online},
 publisher={Janssonius, Johannes (1588-1664)},
 language={lat},
 title={Marchia Vetus vulgo Alte Marck in March: Brandenburgico},
 keywords={17 w., mapy, Marchia Brandenburska, Stara Marchia, kartografia, Atlas Machnizkich t. V},
}