Bernstein E, Brammer A, Yu G, Cherniack M, Peterson D. Ear Cup Selection for Feedforward Active Noise Reduction Hearing Protectors. Canadian Acoustics [Internet]. 2010 Sep. 1 [cited 2024 Apr. 24];38(3):82-3. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2255