LITNIEWSKI, Jerzy. An acoustic microscope in measurements of mechanical properties of surface layers – V(z). Archives of Acoustics, [S. l.], v. 11, n. 3, p. 299–312, 2015. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3126. Acesso em: 28 apr. 2025.