@misc{_L_[1943],
 copyright={Public Domain},
 address={Gotha},
 journal={Vogels Karte von Mitteleuropa. Fliegerkarte},
 howpublished={online},
 year={[1943]},
 publisher={Justus Perthes},
 language={ger},
 title={L 33 - NW Salzburg},
 type={Image},
 URL={http://www.rcin.org.pl/Content/210140/PDF/WA51_193674_PTGC61-22-r1943_L-33-NW-Salzburg_0001.pdf},
 keywords={topographic maps, aerial maps, High Tauern (Austria; mountains), Carnic Alps, Julian Alps, Lubljana (Slovenia; region), Klagenfurt am Wörthersee (Austria ; region), Salzburg (Austria; region)},
}