@book { 111SchonkostRezeptefrMagenundDarm,
    title = "111 Schonkost-Rezepte für Magen und Darm",
    author = "Sabine {Offenborn}",
    year = "2019",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/451604"
}