E. Committee, “XXIII Open seminar on acoustics Jaszowiec, 6-11 September 1976”, Arch. Acoust., vol. 1, no. 1, pp. 81–83, Mar. 2016, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3506