W. M. ZUBEREK and L. CHODYŃ, “Practical application of the phenomenon of acoustic emission in rocks”, Arch. Acoust., vol. 14, no. 1-2, pp. 123–142, Jul. 2015, Accessed: Jan. 18, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3041