Dalton, Amaris, Bernard Bekker, and Andries Kruger. “Wind Power Variability During the Passage of Cold Fronts across South Africa”. Journal of Energy in Southern Africa 30, no. 3 (September 18, 2019): 52–67. Accessed July 22, 2024. https://journals.assaf.org.za/index.php/jesa/article/view/6356.