@book { DieInschriftenderGrabmlerimKlnerDombis1802,
    title = "Die Inschriften der Grabmäler im Kölner Dom bis 1802",
    author = "Bernhard {Rösch}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097390"
}