@book { AutomobilmarketingimInternet,
    title = "Automobilmarketing im Internet",
    author = "Henk {Griesshaber}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832434311",
    url = "https://m.diplom.de/document/219100"
}