GLOWACZ, Adam. DC Motor Fault Analysis with the Use of Acoustic Signals, Coiflet Wavelet Transform, and K-Nearest Neighbor Classifier. Archives of Acoustics, [S. l.], v. 40, n. 3, p. 321–327, 2015. DOI: 10.1515/aoa-2015-0035. Disponível em: https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1472. Acesso em: 26 apr. 2025.