@misc{_Pharus-Plan,
 howpublished={online},
 publisher={Berlin: Pharus-Verlag G.m.b.H.},
 language={ger},
 type={mapy},
 title={Pharus-Plan Grünberg in Schlesien},
 keywords={Grünberg, Zielona Góra, kartografia, plany miast, mapa},
}