@book { StrategicManagement,
    title = "Strategic Management",
    subtitle = "An analysis with regard to a game theoretic perspective",
    author = "Marc {Deuster}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832453466",
    url = "https://m.diplom.de/document/220910"
}