@book { FallarbeitinderPflege,
    title = "Fallarbeit in der Pflege",
    subtitle = "Grundlagen, Formen, Anwendungsbereiche",
    author = "Berta {Schrems}",
    year = "2022",
    publisher = "facultas",
    address = "Wien, Österreich",
    url = "https://campus-lizenzen.facultas.at/document/1330977"
}