M. GOLEC and Z. GOLEC, “Application of the frequency analysis of acoustic emission in the study of the metal alloy solidification”, Arch. Acoust., vol. 25, no. 1, pp. 43–50, Jan. 2000, Accessed: Apr. 26, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/350