@book { GesundeErnhrungbeiDivertikulitis,
    title = "Gesunde Ernährung bei Divertikulitis",
    author = "Bettina {Snowdon}",
    year = "2022",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/1182395"
}