@book { ProduktundMarkenpiraterie,
    title = "Produkt- und Markenpiraterie",
    author = "Thomas {Vandâme}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832411473",
    url = "https://m.diplom.de/document/217071"
}