@misc{_Port_1929,
 copyright={Public Domain},
 address={[S.l.]},
 howpublished={online},
 year={1929},
 publisher={Druk. M.S. Wojsk},
 language={pol},
 type={Image},
 title={Port Gdański : skala 1:15 000},
 keywords={maps of sea ports, Gdańsk, 20th century},
}