@book { KinderimmernurKinderaberLehrerbringtkeiner,
    title = "«Kinder, immer nur Kinder, aber Lehrer bringt keiner!»",
    author = "Gottfried {Hodel}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Lausanne, Switzerland",
    url = "https://www.peterlang.com/document/1098732"
}