Keith, S., Bly, S. and Kelsall, T. (2001) “A preview of the draft CSA guideline - Noise emission declarations for machinery”, Canadian Acoustics, 29(3), pp. 110–111. Available at: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1405 (Accessed: 11 May 2026).