@misc{Andrzej_Brencz_Badania_1993,
 author={Andrzej Brencz},
 address={Poznań},
 year={1993},
 contents={Strona 11-16},
 publisher={Poznań : IZ,},
 language={pol},
 title={Badania sondażowe w Poznaniu},
 type={text},
}