@book { Promptuariumecclesiasticummediiaevi,
    title = "Promptuarium ecclesiasticum medii aevi",
    author = "Bernd-Ulrich {Hergemöller}",
    year = "2012",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01265-1",
    url = "https://www.peterlang.com/document/1045823"
}