@misc{Spors_Józef_(1941–1992)_Dokument_1972,
 author={Spors, Józef (1941–1992)},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa ; Poznań},
 journal={Studia Źródłoznawcze},
 howpublished={online},
 year={1972},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 language={lat},
 title={Dokument Barnima I z roku 1229},
 type={Text},
 keywords={Barnim I, Duke of Pomerania (ca 1210-1278), Pomerania (Poland; region) - Middle Ages - sources, diplomatics - Poland - Pomerania (region) - Middle Ages},
}