@book { Waldorfpdagogik,
    title = "Waldorfpädagogik",
    author = "Horst Ph. {Bauer} and Peter {Schneider}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1100145"
}