@book { GesundesEssengesundeGene,
    title = "Gesundes Essen - gesunde Gene",
    author = "Klaus {Oberbeil}",
    year = "2011",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/403557"
}