@book { JahrbuchfrPdagogik1994,
    title = "Jahrbuch für Pädagogik 1994",
    author = "Ulla {Bracht} and Dieter {Keiner}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1110149"
}