@book { AllgemeinesSteuerrecht,
    title = "Allgemeines Steuerrecht",
    author = "Hans-Wolfgang {Arndt} and Holger {Jenzen} and Thomas {Fetzer}",
    year = "2016",
    publisher = "Vahlen",
    address = "München, Deutschland",
    url = "https://vahlen.openpublishing.com/document/1220986"
}