Polyakov, Valery, and Rafał Chatys. “Acoustic Conductance of a Thick-Walled Anisotropic Spherical Shell Submerged in Liquid”. Aviation 18, no. 1 (April 3, 2014): 52-55. Accessed November 9, 2024. https://bme.vgtu.lt/index.php/Aviation/article/view/3017.