@book { DieZukunftdesamerikanischenTransportsektors,
    title = "Die Zukunft des amerikanischen Transportsektors",
    author = "Grit {Schmitz}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836640954",
    url = "https://m.diplom.de/document/227514"
}