Novak, Colin, Helen Ule, Robert Gaspar, and Robert Wiley. “Use of Psychoacoustic Metrics for the Analysis of Next Generation Computer Cooling Fan Noise”. Canadian Acoustics 33, no. 3 (September 1, 2005): 34–35. Accessed May 5, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1732.