Ibarra Hernández, R. F., Alonso-Arévalo, M. Ángel and García-Canseco, E. del C. (2023) “Comparison of Spectral and Sparse Feature Extraction Methods for Heart Sounds Classification”, Revista Mexicana de Ingenieria Biomedica, 44(4), pp. 6–22. doi: 10.17488/RMIB.44.4.1.