@book { DieTobinsteuer,
    title = "Die Tobinsteuer",
    subtitle = "Ein Vorschlag zur Besteuerung von Devisentransaktionen",
    author = "Christian {Tschubel}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    url = "https://m.diplom.de/document/220274"
}