@misc{Fröland_Johann_Renatus_Rohrbusch,
 author={Fröland, Johann Renatus},
 howpublished={online},
 publisher={[S.l.]: [s.n.]},
 language={niemiecki},
 type={starodruki},
 title={Rohrbusch bey Grünberg},
 keywords={Silesiaca, Zielona Góra},
}