@misc{Pietrzak_Michał_(1929–_)_The_1970,
 author={Pietrzak, Michał (1929– )},
 volume={22},
 editor={Kozłowska, Krystyna. Tr.},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Wrocław},
 journal={Acta Poloniae Historica},
 howpublished={online},
 year={1970},
 publisher={Zakład Narodowy im. Ossolińskich},
 language={eng},
 type={Text},
 title={The Birth of the Parliamentary System in Poland after World War I},
 keywords={Poland 1918-1939, Poland - politics and government - 1918-1939, Poland. Sejm (1922-1939), Parliamentarism, political system, political parties},
}