@book { ZukunftundBildung,
    title = "Zukunft und Bildung",
    subtitle = "Entwürfe und Kritiken",
    author = "Volker {Ladenthin}",
    year = "2004",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097904"
}