@book { ErziehungundeingreifendesHandeln,
    title = "Erziehung und eingreifendes Handeln",
    subtitle = "Eine Grundlegung pädagogischer Praxis",
    author = " {Anonym}",
    year = "1982",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1072491"
}