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 July 22, 2024. https://journals.assaf.org.za/index.php/jesa/article/view/2684.