@misc{Zientara_Benedykt_(1928–1983)_Piastowie_1976,
 author={Zientara, Benedykt (1928–1983)},
 volume={83},
 editor={Institute of History of the Polish Academy of Sciences},
 number={4},
 copyright={Rights Reserved - Free Access},
 journal={Kwartalnik Historyczny},
 address={Warszawa},
 howpublished={online},
 year={1976},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 title={Piastowie w dziejach Polski},
 type={Text},
 URL={http://www.rcin.org.pl/Content/32473/PDF/WA303_37909_A52-KH-R-83-4_Zientara.pdf},
 keywords={Piastowie (dynasty ), Poland - history},
}