@book { EntwicklungeinesCafeteriaSystemsderSozialleistungen,
    title = "Entwicklung eines Cafeteria-Systems der Sozialleistungen",
    author = "Marina {Neu}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832436889",
    url = "https://m.diplom.de/document/219374"
}