@book { VolkserzieherindrftigerZeit,
    title = "Volkserzieher in dürftiger Zeit",
    author = "Werner {Sacher} and Alban {Schraut}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1097903"
}