@book { ThreeWorldsofWelfareCapitalism,
    title = "Three Worlds of Welfare Capitalism? ",
    author = "Valentin {Marquardt}",
    year = "2008",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638052160",
    url = "https://www.hausarbeiten.de/document/91653"
}