@book { KielDasSignalzurRevolutionimDeutschenKaiserreich,
    title = "Kiel. Das Signal zur Revolution im Deutschen Kaiserreich",
    author = "Stephan {Thamm}",
    year = "2006",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638494052",
    url = "https://www.hausarbeiten.de/document/54138"
}