@book { DasPlanspielinderpolitischenBildung,
    title = "Das Planspiel in der politischen Bildung",
    author = "Lisa {Orth}",
    year = "2012",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656164609",
    url = "https://www.hausarbeiten.de/document/191558"
}