M.-C. REYMOND and A. JAROSZEWSKA, “Study of the ae frequency spectra of some rocks”, Arch. Acoust., vol. 14, no. 1-2, pp. 97–109, Jun. 1989, Accessed: Mar. 04, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/3039