[1]
W. KOŁTOŃSKI, “On the acoustic emission in moisted concrets and the method of its practical application”, Arch. Acoust., vol. 15, no. 1-2, pp. 137–149, May 2014, Accessed: Jan. 18, 2026. [Online]. Available: https://acoustics.ippt.gov.pl/index.php/aa/article/view/1264