@misc{_Pharus-Plan_[ante,
 copyright={Rights Reserved - Restricted Access},
 address={Berlin},
 howpublished={online},
 year={[ante 1939]},
 publisher={Pharus-Verlag G.m.b.H},
 language={ger},
 title={Pharus-Plan Breslau},
 keywords={street maps, Wrocław street maps, Wrocław, 20th century},
}