Abel, S. M., Sass-Kortsak, A. and Bruce, S. (2000) “Effect on sound attenuation provided by earmuffs of other safety gear worn in combination”, Canadian Acoustics, 28(3), pp. 150–151. Available at: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1333 (Accessed: 24 April 2024).