TAJCHERT, Maria. “Investigations of the Directional Properties of Acoustic Field in Finite Cuboidal Spaces (geometrical Field Analysis)”. Archives of Acoustics 3, no. 4 (March 7, 2016): 249–265. Accessed April 26, 2025. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3460.