Nespoli, Gabe, Alberto Behar, and Frank Russo. “VALIDATION OF THE CSA Z107.56 STANDARD METHOD FOR THE MEASUREMENT OF NOISE EXPOSURE FROM HEADSETS”. Canadian Acoustics 41, no. 3 (January 30, 2014): 31–36. Accessed December 3, 2021. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2607.