[1]
Z. ENGEL, “Proceedings of the Conference on Noise Suppression Noise Control 92”, Arch. Acoust., vol. 18, no. 2, pp. 179–182, Jun. 1993, Accessed: Mar. 04, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/1139