Busch, Todd, Murray Hodgson, and Clair Wakefield. “Acoustical Scale Modelling of Highway Noise Barriers”. Canadian Acoustics 24, no. 3 (September 1, 1996): 80–80. Accessed April 14, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1051.