@book { Kunstsponsoring,
    title = "Kunstsponsoring",
    author = "Annekatrin {Brinkmann}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832477806",
    url = "https://m.diplom.de/document/223049"
}