@misc{Ludwig_Ernst_Fremden-Führer,
 author={Ludwig, Ernst},
 address={Breslau},
 howpublished={online},
 publisher={Commissions-Verlag von Robert Lucas},
 language={ger},
 title={Fremden-Führer in Breslau},
 type={tekst},
 keywords={wydawnictwa informacyjne, 19 w., Wrocław, Wratislaviana},
}