@misc{Kowal_Stefan_(1938–_)_Polska_1976,
 author={Kowal, Stefan (1938– )},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 journal={Kwartalnik Historyczny},
 address={Warszawa},
 howpublished={online},
 year={1976},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Polska klasa robotnicza},
 keywords={working class - Polish - history},
}