@book{9783896935656,
  title = {Passionsharmonien des Mittelalters},
  author = {Petra Hörner},
  publisher = {Frank \& Timme},
  year = {2012},
  edition = {1},
  url = {https://www.frank-timme.de/de/programm/produkt/passionsharmonien\_des\_mittelalters}
}