@book { AktivierenmitHandgymnastik,
    title = "Aktivieren mit Handgymnastik",
    author = "Birgit {Henze}",
    year = "2016",
    publisher = "Schlütersche Verlagsgesellschaft mbH & Co. KG",
    address = ", Deutschland",
    url = "https://schluetersche.openpublishing.com/document/404020"
}