@misc{_Standard_[1934-1939],
 copyright={Public Domain},
 address={München},
 howpublished={online},
 year={[1934-1939]},
 publisher={F. Bruckmann AG},
 language={ger},
 title={Standard Luftbildkarte für Kraftfahrer : deutsche Landschaft},
 keywords={road maps, Germany - boundaries - Poland, 1918-1939},
}