@book { ZahnrztlichePropdeutik,
    title = "Zahnärztliche Propädeutik",
    author = "Hans-Jürgen {Wenz} and Elmar {Hellwig}",
    year = "2018",
    publisher = "Deutscher Ärzteverlag",
    address = "Köln, Deutschland",
    doi = "10.47420/9783769136517",
    url = "https://deutscheraerzteverlag.openpublishing.com/document/457681"
}