Chapman, D.M.F., and F.D. Cotaras. “Acoustic Backscattering from Cylinders: Near-Field Corrections”. Canadian Acoustics 19, no. 4 (September 1, 1991): 71–72. Accessed October 10, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/674.