T. BŁACHOWICZ, “Study of the elastic properties of the lithium tantalate crystal by the Brillouin laser light scattering”, Arch. Acoust., vol. 25, no. 1, pp. 23–24, Jan. 2000, Accessed: Jun. 15, 2025. [Online]. Available: https://acoustics.ippt.pan.pl/index.php/aa/article/view/348