OPIELIŃSKI, Krzysztof J. Analysis and Modelling of Ultrasonic Pulses in a Biological Medium. Archives of Acoustics, [S. l.], v. 33, n. 4(S), p. 13–19, 2008. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/829. Acesso em: 25 apr. 2025.