@book { SpieltheorieimInternationalenManagement,
    title = "Spieltheorie im Internationalen Management",
    author = "Olga {Lackmann }",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640404667",
    url = "https://www.hausarbeiten.de/document/133681"
}