@misc{Szczech_Bernard_(1950-2022)_Piasek,
 author={Szczech, Bernard (1950-2022) and Goszyk, Edward (1924-2016)},
 howpublished={online},
 publisher={[b.w.]},
 language={pol},
 type={opracowanie historyczne},
 title={Piasek 1754-2014},
}