@book { Ganzheitlichaktivieren2RundumsJahr,
    title = "Ganzheitlich aktivieren 2, Rund ums Jahr",
    author = "Birgit {Henze}",
    year = "2017",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/404101"
}