@misc{Piprek_Jan_(1887–1970)_Formy_1930,
 author={Piprek, Jan (1887–1970)},
 editor={Gebethner i Wolff.},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 address={(Warszawa},
 howpublished={online},
 year={1930},
 publisher={Gebethner i Wolff},
 publisher={Józef Jankowski i S-ka)},
 language={pol},
 title={Formy małżeństwa u pierwotnych Słowian i plemion bałtyckich},
 type={Text},
 keywords={marriage - Slavic countries},
}