@book { ChronischkrankeKinderundJugendliche,
    title = "Chronisch kranke Kinder und Jugendliche",
    author = "Yves {Steininger}",
    year = "2016",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/349735"
}