@book { AufdemWegzurdemokratischenSchule,
    title = "Auf dem Weg zur demokratischen Schule",
    author = "Ursula {Neidhardt}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1103306"
}