@book { RechtsrahmeninnovativerZahlungssystemefrdasInternet,
    title = "Rechtsrahmen innovativer Zahlungssysteme für das Internet",
    subtitle = "Am Beispiel von PayPal",
    author = "Antonius {Jonetzki}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1135678"
}