R. WYRZYKOWSKI, “Propagation velocity of a vibration velocity wave, i.e. acoustic velocity wave”, Arch. Acoust., vol. 12, no. 1, pp. 17–31, Jul. 2015, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3080