@book { ImSchattenunterdenBumen,
    title = "Im Schatten unter den Bäumen",
    author = "Helga {Schloffer} and Birgit {Stevcic} and Daniela {Wolf}",
    year = "2019",
    publisher = "facultas",
    address = "Wien, Österreich",
    url = "https://campus-lizenzen.facultas.at/document/464610"
}