GLOWACZ, Adam. Diagnostics of Synchronous Motor Based on Analysis of Acoustic Signals with the use of Line Spectral Frequencies and K-nearest Neighbor Classifier. Archives of Acoustics, [S. l.], v. 39, n. 2, p. 189–194, 2014. DOI: 10.2478/aoa-2014-0022. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/817. Acesso em: 26 apr. 2025.