Orjuela-Cañón, Álvaro David, and Hugo Fernando Posada-Quintero. 2016. “Acoustic Lung Signals Analysis Based on Mel Frequency Cepstral Coefficients and Self-Organizing Maps”. Revista Facultad De Ingeniería 25 (43):73-82. https://doi.org/10.19053/01211129.v25.n43.2016.5300.