@misc{Gross_Alexander_(1879–1958)._Autor_Central_[1921],
 author={Gross, Alexander (1879–1958). Autor and Geographia (Londyn). Wydawca},
 copyright={Rights Reserved - Restricted Access},
 address={London},
 howpublished={online},
 year={[1921]},
 publisher={Geographia Ltd.},
 language={eng},
 title={Central Europe : ethnographical},
 keywords={socio-cultural maps, languages, linguistic geography, Central Europe},
}