T. Błachowicz and Z. Kleszczewski, “A typical Brillouin light scattering spectrum in the SrLaALO4 (SLAO) crystal”, Arch. Acoust., vol. 27, no. 3, Jan. 2002, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/430