GEAR AND BEARING FAULT DETECTION USING WAVELET PACKET AND HILBERT METHOD VIA ACOUSTIC SIGNALS. ASEAN Engineering Journal, [S. l.], v. 6, n. 2, p. 5–13, 2014. DOI: 10.11113/aej.v6.15479. Disponível em: https://journals.utm.my/aej/article/view/15479.. Acesso em: 16 apr. 2025.