RADZISZEWSKI, L. The influence of the surface load exerted by a piezoelectric contact sensor on testing results: I. The displacement field in the solid. Archives of Acoustics, [S. l.], v. 28, n. 2, 2003. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/446. Acesso em: 13 jan. 2025.