@misc{Labuda_Gerard_(1916–2010)_Zagadnienie_1960,
 author={Labuda, Gerard (1916–2010)},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Kwartalnik Historyczny},
 howpublished={online},
 year={1960},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Zagadnienie suwerenności Polski wczesnofeudalnej w X-XII wieku},
 type={Text},
 keywords={Poland - 960-1138, Poland 10th c.,11th c.,12th c., sovereignty - Poland},
}