@book { DerBegriffdesGrundesbeiMeisterEckehart,
    title = "Der Begriff des Grundes bei Meister Eckehart",
    author = "Claudia {Altmeyer}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/218421"
}