@book { SouthAfricaWindEnergyBarriers,
    title = "South Africa Wind Energy Barriers",
    author = "Richard {Ganter}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836641654",
    url = "https://m.diplom.de/document/227558"
}