H. HOBAEK, “Experimental investigation of shock wave propagation in the postfocal region of a focussed sound field”, Arch. Acoust., vol. 21, no. 1, pp. 65–73, Jan. 2014, Accessed: May 02, 2025. [Online]. Available: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/977