@book { DieSchauenburgerinNordelbien,
    title = "Die Schauenburger in Nordelbien",
    author = "Martin {Schürrer}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b11678",
    url = "https://www.peterlang.com/document/1110124"
}