@book { DieScheidung,
    title = "Die Scheidung",
    subtitle = "Der Zerfall der Familie oder ein neuer Anfang",
    author = "Carmen {Elberfeld}",
    year = "2001",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1092330"
}