@book { MillionairesRockSeingeheimesLeben,
    title = "Millionaire`s Rock - Sein geheimes Leben",
    author = "Karin {Koenicke}",
    year = "2018",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/998603"
}