PUCH, Andrzej. Rectangular phase sound sources focusing radiated energy of vibrations. Archives of Acoustics, [S. l.], v. 12, n. 1, p. 33–51, 1987. Disponível em: https://acoustics.ippt.pan.pl/index.php/aa/article/view/3081. Acesso em: 24 feb. 2026.