@book { NichtmedikamentseInterventionenbeiSchlafstrungen,
    title = "Nicht-medikamentöse Interventionen bei Schlafstörungen",
    author = "Ute {Bogatzki} and Alexander {Bogatzki}",
    year = "2021",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/993679"
}