@misc{Wielka_Brytania._War_Office._Instytucja_sprawcza._Wydawca_Lisboa_1950,
 author={Wielka Brytania. War Office. Instytucja sprawcza. Wydawca and Wielka Brytania. Ordnance Survey. Redaktor},
 copyright={Public Domain},
 address={[Londyn]},
 journal={Europe Scale 1:1,000,000},
 journal={GSGS Misc},
 howpublished={online},
 year={1950},
 publisher={War Office},
 language={eng},
 title={Lisboa (Lisbon) - Gibraltar : North J.29 & 30 & Parts of I.29 & 30},
 type={Image},
 URL={http://rcin.org.pl/Content/183676/PDF/WA51_184538_PTGC12-48-r1950_Lisboa-Lisbon-Gi_0001_0001.pdf},
 keywords={chorographic maps, aerial maps, Iberian Peninsula, North Morocco, North-West Algeria},
}