@misc{_N_[1944],
 copyright={Public Domain},
 address={Gotha},
 journal={Vogels Karte von Mitteleuropa. Fliegerkarte},
 howpublished={online},
 year={[1944]},
 publisher={Justus Perthes},
 language={ger},
 title={N 34 - NO Tilsit},
 type={Image},
 URL={http://www.rcin.org.pl/igipz/Content/210108/PDF/WA51_191523_PANC61-28-r1944_N-34-NO-Tilsit_0001.pdf},
}