PUZYNA, Czesław. Investigations of the barrier perception mechanisms of the blind. Archives of Acoustics, [S. l.], v. 4, n. 2, p. 89–108, 2016. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/3369. Acesso em: 13 jan. 2025.