M. M. DOBRZAŃSKI, “8th Winter Shool of Quantum and Molecular Acoustics, and Sonochemistry, Ustroń–Jaszowlec 1979”, Arch. Acoust., vol. 4, no. 4, pp. 367–370, Dec. 1979, Accessed: Feb. 26, 2026. [Online]. Available: https://acoustics.ippt.pan.pl/index.php/aa/article/view/3390