@misc{Mackiewicz_Józef_(1902-1985)_Fakty,_1987?],
 author={Mackiewicz, Józef (1902-1985)},
 address={[S.l.},
 howpublished={online},
 year={1987?]},
 publisher={s.n.},
 language={pol},
 title={Fakty, przyroda i ludzie},
 type={tekst},
}