@book { SpieltheorieinderMediation,
    title = "Spieltheorie in der Mediation",
    author = "Andreas {Kelm}",
    year = "2010",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640577286",
    url = "https://www.hausarbeiten.de/document/145317"
}