HOBAEK, H. Experimental investigation of shock wave propagation in the postfocal region of a focussed sound field. Archives of Acoustics, [S. l.], v. 21, n. 1, p. 65–73, 1996. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/977. Acesso em: 18 apr. 2026.