Clohessy, Chantelle May, Warren Brettanny, Gary Sharp, and Frederik Vorster. “Evaluation of Noise Levels of Two Micro-Wind Turbines Using a Randomised Experiment”. Journal of Energy in Southern Africa 25, no. 1 (March 23, 2014): 19–25. Accessed May 5, 2024. https://energyjournal.africa/article/view/2684.