FODA, M.A. Axial nonlinear field of a vibrating circular transducer. Archives of Acoustics, [S. l.], v. 22, n. 1, p. 59–76, 1997. Disponível em: http://acoustics.ippt.gov.pl/index.php/aa/article/view/937. Acesso em: 18 apr. 2026.