@misc{_Der_[1940],
 copyright={Public Domain},
 address={[Miejsce nieznane]},
 howpublished={online},
 year={[1940]},
 publisher={[wydawca nieznany]},
 language={ger},
 title={Der Kanal 1:250 000. Blatt Nr. 3, Zusammendruck Plymouth - Les Pieux},
 type={Image},
 URL={http://www.rcin.org.pl/igipz/Content/214106/PDF/WA51_220706_PANC780-4-r1940_Der-Kanal-1-250-000_0001.pdf},
 keywords={topographic maps, The English Channel, Plymouth (Great Britain; region), Le Pieux (France; region)},
}