@book { 111RezeptegegenMigrne,
    title = "111 Rezepte gegen Migräne",
    author = "Marion {Jetter}",
    year = "2017",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403080"
}