@misc{Hammer_Christian_F._(1760-1838)_Das,
 author={Hammer, Christian F. (1760-1838)},
 address={Nürnberg},
 howpublished={online},
 publisher={Campe, Friedrich},
 language={ger},
 title={Das Koenigreich Griechenland [...]},
 keywords={19 w., kartografia, mapy, Grecja},
}