SZEMELA, K., RDZANEK, W. P., & RDZANEK, W. J. (2013). Acoustic Power Radiated by a System of Two Vibrating Circular Membranes Located at the Boundary of Three-Wall Corner Spatial Region. Archives of Acoustics, 37(4), 463–473. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/75