@book { WechselverhaltenvonAutokunden,
    title = "Wechselverhalten von Autokunden",
    author = "Lars {Lüke}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832448356",
    url = "https://m.diplom.de/document/220410"
}