@book { BitcoinfrAlle,
    title = "Bitcoin für Alle",
    subtitle = "Warum unser Finanzsystem kaputt und Bitcoin die Lösung ist",
    author = "Natalie {Brunell}",
    year = "2026",
    publisher = "C.H.Beck",
    address = ", Deutschland",
    url = "https://vahlen.openpublishing.com/document/1782413"
}