@misc{Heck_Roman_(1924–1979)_Problem_1967,
 author={Heck, Roman (1924–1979)},
 editor={Institute of History of the Polish Academy of Sciences},
 copyright={Rights Reserved - Restricted Access},
 address={Warszawa},
 journal={Kwartalnik Historyczny},
 howpublished={online},
 year={1967},
 publisher={Państwowe Wydawnictwo Naukowe},
 language={pol},
 type={Text},
 title={Problem uniwersyteckich ćwiczeń historycznych},
 keywords={history - study and teaching (academic) - Poland - 1945 -},
}