@book { WiebindenAutohuserihreKunden,
    title = "Wie binden Autohäuser ihre Kunden?",
    author = "Uta {Teichmann}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832478841",
    url = "https://m.diplom.de/document/223137"
}