@book { BrowsergamesDerStatusQuo,
    title = "Browsergames. Der Status Quo",
    author = "Jan {Dittrich} and Stefan {Behles}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640465699",
    url = "https://www.hausarbeiten.de/document/137984"
}