Tavakkoli, Jahan, and Shahram Mashouf. “Nonlinear Acoustic Beam Propagation Modeling in Dissipative Media”. Canadian Acoustics 39, no. 4 (December 1, 2011): 19–25. Accessed August 31, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/2492.