@book { Sangspruchtradition,
    title = "Sangspruchtradition",
    author = "Margreth {Egidi} and Volker {Mertens} and Nine {Miedema}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097102"
}