@misc{Wilk_Karl_Bilder,
 author={Wilk, Karl},
 address={Breslau},
 howpublished={online},
 publisher={Aderholz},
 language={ger},
 type={tekst},
 title={Bilder aus Oberschlesien},
 keywords={Górny Śląsk, historia, "Leopoldina online"},
}