[1]
E. J. DANICKI, “An approximation to the planar harmonic impedance for interface waves in piezoelectric body”, Arch. Acoust., vol. 34, no. 2, pp. 189–196, Jun. 2009, Accessed: Apr. 06, 2026. [Online]. Available: https://acoustics.ippt.pan.pl/index.php/aa/article/view/575