S. PILECKI and J. SIEDLACZEK, “Acoustic activity of some metals determined by the acoustic emission method”, Arch. Acoust., vol. 14, no. 3-4, pp. 261–281, Jul. 2015, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3055