ZHANG, H.; HO, T.B.; ZHANG, Y.; LIN, M.-S. Unsupervised Feature Extraction for Time Series Clustering Using Orthogonal Wavelet Transform. Informatica, [S. l.], v. 30, n. 3, Disponível em: https://puffbird.ijs.si/index.php/informatica/article/view/98. Acesso em: 23 jun. 2025.