@book { BedeutungdesLicensingalsMarketinginstrument,
    title = "Bedeutung des Licensing als Marketinginstrument",
    author = "Tim {Schäfer}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832421632",
    url = "https://m.diplom.de/document/217992"
}