@book { WasdeinBabydirsagenmchte,
    title = "Was dein Baby dir sagen möchte",
    author = "Vivian {König}",
    year = "2022",
    publisher = "humboldt",
    address = "Hannover, Deutschland",
    url = "https://schluetersche.openpublishing.com/document/451594"
}