KRZYWORZEKA, P.; CIOCH, W. Demodulation of non-stationary machine vibration using cycle-time scale. Archives of Acoustics, [S. l.], v. 31, n. 2, p. 167–177, 2014. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/666. Acesso em: 29 apr. 2025.