@misc{_M_[1943],
 copyright={Public Domain},
 address={Gotha},
 journal={Vogels Karte von Mitteleuropa. Fliegerkarte},
 howpublished={online},
 year={[1943]},
 publisher={Justus Perthes},
 language={ger},
 title={M 32 - SW Straßburg},
 type={Image},
 URL={http://www.rcin.org.pl/igipz/Content/210142/PDF/WA51_193676_PANC61-27-r1943_M-32-SW-Stra-burg_0001.pdf},
 keywords={topographic maps, aerial maps, Trier (Germany; region), Mannheim (Germany ; region), Metz (France ; region), Karlsruhe (Germany; region), Strasbourg (France; region)},
}