@book { DieZhlungderBevlkerungindenProvinzen,
    title = "Die Zählung der Bevölkerung in den Provinzen",
    author = "Nicola {Huber}",
    year = "2014",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/274081"
}