A. OPILSKI, “Acoustic Emission: Sources, Methods and Applications (in Polish), I. MALECKI, J. RANACHOWSKI [Eds.]”, Arch. Acoust., vol. 21, no. 1, pp. 115–117, Jan. 2014, Accessed: Apr. 25, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/983