@book { StilwandeldesKinderfilms,
    title = "Stilwandel des Kinderfilms",
    subtitle = "1960er bis 1980er Jahre",
    author = "Ragna {Metzdorf}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107796"
}