@misc{Żmigrodzki_Witold_Gdynia_1930,
 author={Żmigrodzki, Witold},
 copyright={Rights Reserved - Restricted Access},
 address={[S.l.]},
 howpublished={online},
 year={1930},
 publisher={[s.n.]},
 language={pol},
 title={Gdynia : plan miasta i portu},
 keywords={street maps, Gdynia street maps, maps of sea ports, Gdynia, 20th century},
}