@misc{Witold_Jakóbczyk_Oceny_1947,
 author={Witold Jakóbczyk},
 address={Poznań},
 year={1947},
 contents={Str 257-261},
 publisher={Poznań : IZ,},
 language={pol},
 title={Oceny i omówienia},
 type={text},
}