@misc{_Oels'er,
 address={Oels (Oleśnica)},
 howpublished={online},
 publisher={Landratsamt},
 language={ger},
 type={tekst},
 title={Oels'er Kreisblatt 1889-05-24, Jg. 27 Nr 21},
 keywords={19-20 w.},
}