@book { SouthAfricasnegotiatedtransitiontodemocracy,
    title = "South Africa´s negotiated transition to democracy",
    author = "Tim {Eichler}",
    year = "2015",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    url = "https://www.hausarbeiten.de/document/286989"
}