[1]
J. LITNIEWSKI, β€œAn acoustic microscope in measurements of mechanical properties of surface layers – V(z)”, Arch. Acoust., vol. 11, no. 3, pp. 299–312, Sep. 1986, Accessed: Mar. 04, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3126