Nakashima, Ann, and Yushi Hu. “Impulse Noise Exposure During Personal Weapons Testing on an Outdoor Shooting Range”. Canadian Acoustics 35, no. 3 (September 1, 2007): 192–193. Accessed September 22, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1964.