@book { DieVerantwortungvonUnternehmen,
    title = "Die Verantwortung von Unternehmen",
    author = "Tobias {Fischer}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832490607",
    url = "https://m.diplom.de/document/224219"
}