Haider, S. I. ., and M. . Alhussein. “Detection and Classification of Baseline-Wander Noise in ECG Signals Using Discrete Wavelet Transform and Decision Tree Classifier”. Elektronika Ir Elektrotechnika, vol. 25, no. 4, Aug. 2019, pp. 47-57, doi:10.5755/j01.eie.25.4.23970.