@book { DasProhemiumlongumdesErfurterKartuserkatalogsausderZeitum1475,
    title = "Das «Prohemium longum» des Erfurter Kartäuserkatalogs aus der Zeit um 1475",
    author = "Almuth {Märker}",
    year = "2018",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    doi = "10.3726/b14238",
    url = "https://www.peterlang.com/document/1068668"
}