Luo, Yang, Adam Pham, Alberto Behar, Stephen Mosher, and Mohammad Abdoli. “Acoustic Shields - A Study of Field Attenuation”. Canadian Acoustics 46, no. 1 (March 13, 2018): 29–35. Accessed April 25, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/3035.