@misc{Wolff_F._G._Revue_[ca,
 author={Wolff, F. G. and Nicolai, Friedrich (1733–1811). Wyd.},
 copyright={Public Domain},
 address={[Berlin]},
 howpublished={online},
 year={[ca 1780]},
 publisher={zu finden in Fr. Nicolai Buchhandlung},
 language={ger},
 title={Revue Plan vor dem Halleschen Thor vor Berlin},
 type={Image},
 URL={http://rcin.org.pl/Content/180096/PDF/WA51_193029_PANB1693-23-r1780_Revue-Plan-vor-dem-H_00000001.pdf},
 keywords={street maps, Berlin},
}