@misc{_Oelser,
 address={Oels (Oleśnica)},
 howpublished={online},
 publisher={Landratsamt},
 language={ger},
 type={tekst},
 title={Oelser Kreisblatt 1877-12-14 Jg. 15 Nr 52},
 keywords={19-20 w.},
}