@book { Prophylaxefibel,
    title = "Prophylaxefibel",
    subtitle = "Grundlagen der Mundgesundheit",
    author = "Anke {Bräuning}",
    year = "2021",
    publisher = "Deutscher Ärzteverlag",
    address = "Köln, Deutschland",
    doi = "10.47420/9783769136937",
    url = "https://deutscheraerzteverlag.openpublishing.com/document/1145612"
}