@book { Spinoffs,
    title = "Spin-offs",
    subtitle = "Eine eklektische Erklärung von Unternehmensteilungen",
    author = "Helena {von Gladiß}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832443290",
    url = "https://m.diplom.de/document/219929"
}