@book { MarketingkonzeptfrdasProjektTeleparking,
    title = "Marketingkonzept für das Projekt Teleparking",
    author = "Patrick {Preß}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832432973",
    url = "https://m.diplom.de/document/218983"
}