@book { InequalityinPostApartheidSouthAfrica,
    title = "Inequality in Post-Apartheid South Africa",
    author = "Simon {Schaefer}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836621687",
    url = "https://m.diplom.de/document/226312"
}